{"product_id":"myco-labs-2x4-h14-hepa-flow-hood-fan-filter-unit-ffu-110v","title":"Myco Labs 2' x 4' H14 99.995% HEPA Flowhood Fan Filter Unit (FFU) 110V","description":"\u003cstyle\u003e.mgk-pdp.mgk-pdp{color:#1a1a1a !important;max-width:100%;box-sizing:border-box}.mgk-pdp.mgk-pdp p,.mgk-pdp.mgk-pdp li,.mgk-pdp.mgk-pdp td,.mgk-pdp.mgk-pdp th,.mgk-pdp.mgk-pdp span,.mgk-pdp.mgk-pdp summary,.mgk-pdp.mgk-pdp div{font-size:inherit;font-family:inherit;word-break:normal !important}.mgk-pdp.mgk-pdp p{color:#1a1a1a !important;margin:0 0 1em}.mgk-pdp.mgk-pdp h2{color:#1a1a1a !important;margin:30px 0 10px}.mgk-pdp.mgk-pdp h3{color:#1a1a1a !important;margin:22px 0 8px}.mgk-pdp.mgk-pdp a{color:#1a6b3a !important;text-decoration:underline}.mgk-pdp.mgk-pdp .b{font-weight:600 !important}.mgk-pdp.mgk-pdp ul{columns:unset !important;-webkit-columns:unset !important;margin:0 0 1em;padding-left:1.3em}.mgk-pdp.mgk-pdp li{margin:0 0 .45em}.mgk-pdp .mgk-rule{border:0;border-top:1px solid #e2e2e2;margin:2em 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ul.mgk-facts{grid-template-columns:repeat(2,minmax(0,1fr))}.mgk-pdp ul.mgk-facts li:last-child:nth-child(odd){grid-column:1 \/ -1}.mgk-pdp .mgk-spec-table td:first-child{width:auto}}\n@media (max-width:380px){.mgk-pdp ul.mgk-tags{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){.mgk-pdp *,.mgk-pdp *::after{transition:none !important;animation:none !important}}\n\/* text-only step cards + square side image + inline video (used when a module has no lifestyle images yet) *\/\n.mgk-pdp .mgk-ap-grid.mgk-ap-noimg .mgk-ap-cell{background:#f7f8f7;border:1px solid #e2e2e2;border-radius:.45em;padding:.9em 1em;box-sizing:border-box}.mgk-pdp .mgk-ap-grid.mgk-ap-noimg .mgk-ap-cell .mgk-ap-t{margin-top:0}.mgk-pdp .mgk-ap-side img.mgk-ap-sq{aspect-ratio:1\/1}.mgk-pdp .mgk-inline-video{position:relative;width:100%;max-width:100%;margin:1.2em 0 1.6em;border-radius:.5em;overflow:hidden;box-shadow:0 2px 14px rgba(0,0,0,.08)}.mgk-pdp .mgk-inline-video.mgk-16x9{padding-bottom:56.25%;height:0}.mgk-pdp .mgk-inline-video iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:0}.mgk-pdp .mgk-ap-grid.c4.mgk-ap-noimg{grid-template-columns:repeat(2,minmax(0,1fr))}@container (max-width:380px){.mgk-pdp .mgk-ap-grid.c4.mgk-ap-noimg{grid-template-columns:1fr}}\u003c\/style\u003e\n\u003cdiv class=\"mgk-pdp\"\u003e\n\u003cp class=\"mgk-lead\"\u003eThe \u003cspan class=\"b\"\u003eMyco Labs 2' × 4' HEPA Fan Filter Unit\u003c\/span\u003e (FFU) is twice as wide as our 23\" unit: a 47\" stream of H14 HEPA laminar airflow, so you can work a full row of plates, jars or bags at once. Lay it on a bench as a wide flow hood, or drop it into a standard 2' × 4' ceiling grid for a clean room.\u003c\/p\u003e\n\u003cp\u003eAir passes through a pre-filter on the intake first, then an H14 HEPA filter rated 99.995% at 0.3 microns for ISO Class 5 \/ Class 100 clean air. Inside the aluminum-zinc plated steel housing is an aluminum fan wheel on a copper-wound motor, with a three-speed knob and a standard 110V plug.\u003c\/p\u003e\n\u003cul class=\"mgk-tags\"\u003e\n\u003cli\u003eH14 HEPA\u003c\/li\u003e\n\u003cli\u003eISO Class 5\u003c\/li\u003e\n\u003cli\u003e3-speed\u003c\/li\u003e\n\u003cli\u003eFits 2' × 4' ceiling grid\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"mgk-facts\"\u003e\n\u003cli\u003e\n\u003cspan class=\"mgk-facts-k\"\u003e47\" × 23\"\u003c\/span\u003e\u003cspan class=\"mgk-facts-v\"\u003eUnit size\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"mgk-facts-k\"\u003e99.995%\u003c\/span\u003e\u003cspan class=\"mgk-facts-v\"\u003e@ 0.3 microns\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"mgk-facts-k\"\u003e89–118 FPM\u003c\/span\u003e\u003cspan class=\"mgk-facts-v\"\u003eAir velocity\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"mgk-facts-k\"\u003e11.75\"\u003c\/span\u003e\u003cspan class=\"mgk-facts-v\"\u003eDepth\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"mgk-facts-k\"\u003e110V\u003c\/span\u003e\u003cspan class=\"mgk-facts-v\"\u003eStandard plug\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"mgk-rule\"\u003e\n\u003c!-- A+ Module 2: three images \u0026 text --\u003e\n\u003ch2\u003eWhat's inside the Myco Labs 2' × 4' FFU\u003c\/h2\u003e\n\u003cdiv class=\"mgk-ap mgk-ap-grid c3\"\u003e\n\u003cdiv class=\"mgk-ap-cell\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0712\/0679\/7461\/files\/Taller_H14_Filter_Panel_Design.png?v=1793410701\u0026amp;width=800\" alt=\"Labeled diagram of the Myco Labs 2 x 4 FFU showing the galvanized housing, aluminum impeller, pre-filter, 3-speed control box, insulated handles and H14 HEPA filter\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"mgk-ap-t\"\u003eTwo-stage filtration\u003c\/span\u003e\n\u003cp\u003eA pre-filter over the fan intake catches dust and larger particles first, so the H14 HEPA filter only has to handle the fine particles on the final pass.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mgk-ap-cell\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0712\/0679\/7461\/files\/Myco_Labs_airflow_speed_controller.png?v=1793410701\u0026amp;width=800\" alt=\"Close-up of the Myco Labs FFU control box with the Off, Low, Middle and High speed knob and fused power inlet\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"mgk-ap-t\"\u003e3-speed control\u003c\/span\u003e\n\u003cp\u003eOne knob: Off, Low, Middle, High, for 0.45–0.6 m\/s at the filter face. Power comes in through a fused inlet on the control box.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mgk-ap-cell\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0712\/0679\/7461\/files\/Myco_Labs_Two-Section_Filter_Unit.png?v=1793410701\u0026amp;width=800\" alt=\"Myco Labs 2 x 4 fan filter unit standing on a stainless steel lab bench with the HEPA filter face forward\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"mgk-ap-t\"\u003eLatched two-section build\u003c\/span\u003e\n\u003cp\u003eSafety latches lock the fan housing to the filter box, and insulated handles on both ends make the unit easy to carry and position.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- A+ Module 3: four-step how-to (text cards) --\u003e\n\u003ch2\u003eHow to set it up as a flow hood\u003c\/h2\u003e\n\u003cp\u003eOn a bench the FFU works like a horizontal laminar flow hood: clean air blows from the filter face across your work area and toward you.\u003c\/p\u003e\n\u003cdiv class=\"mgk-ap mgk-ap-grid c4 mgk-ap-noimg\"\u003e\n\u003cdiv class=\"mgk-ap-cell\"\u003e\n\u003cspan class=\"mgk-ap-t\"\u003e\u003cspan class=\"mgk-ap-num\"\u003e1\u003c\/span\u003eStand it on its long side\u003c\/span\u003e\n\u003cp\u003eSet it on a sturdy table at least 4' wide, HEPA face toward you, with a few inches of open space behind the intake.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mgk-ap-cell\"\u003e\n\u003cspan class=\"mgk-ap-t\"\u003e\u003cspan class=\"mgk-ap-num\"\u003e2\u003c\/span\u003ePlug in, pick a speed\u003c\/span\u003e\n\u003cp\u003eConnect the cord to a standard 110V outlet and turn the knob to the speed you want.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mgk-ap-cell\"\u003e\n\u003cspan class=\"mgk-ap-t\"\u003e\u003cspan class=\"mgk-ap-num\"\u003e3\u003c\/span\u003eLet it purge\u003c\/span\u003e\n\u003cp\u003eRun it for a few minutes and wipe the work surface with alcohol before you open anything.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mgk-ap-cell\"\u003e\n\u003cspan class=\"mgk-ap-t\"\u003e\u003cspan class=\"mgk-ap-num\"\u003e4\u003c\/span\u003eWork upstream\u003c\/span\u003e\n\u003cp\u003eKeep plates, jars and bags between the filter and your hands, and never reach over an open plate.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mgk-callout\"\u003e\n\u003cp\u003e\u003cspan class=\"b\"\u003eRaise your work into the airflow:\u003c\/span\u003e the cleanest air comes straight out of the filter face. A \u003ca href=\"https:\/\/www.midwestgrowkits.com\/products\/bonsai-premium-12-stainless-steel-elevated-workspace-platform-table-riser\"\u003estainless steel workspace riser\u003c\/a\u003e lifts plates and jars up into it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- A+ Module 4: single image \u0026 sidebar --\u003e\n\u003ch2\u003eBuilt to the 2' × 4' clean-room standard\u003c\/h2\u003e\n\u003cdiv class=\"mgk-ap mgk-ap-side\"\u003e\n\u003cdiv\u003e\n\u003cimg class=\"mgk-ap-sq\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0712\/0679\/7461\/files\/Updated_product_dimension_labels.png?v=1793410820\u0026amp;width=800\" alt=\"Myco Labs 2 x 4 fan filter unit dimensions: 47.1 by 22.9 by 11.75 inches, with a specifications table\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e \u003cspan class=\"mgk-ap-cap\"\u003e47.1\" × 22.9\" × 11.75\"\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"mgk-ap-sub\"\u003eOne unit, two ways to install it\u003c\/span\u003e\n\u003cp\u003eAt 47.1\" × 22.9\", the Myco Labs FFU drops into a standard 24\" × 48\" ceiling tile grid, the way FFUs are installed in commercial clean rooms. On a bench, its 11.75\" depth leaves more of your table free than a cabinet-style hood.\u003c\/p\u003e\n\u003cul class=\"mgk-ap-bullets\"\u003e\n\u003cli\u003eWide benchtop flow hood for agar, LC and bag work\u003c\/li\u003e\n\u003cli\u003eCeiling grid FFU for a modular clean room\u003c\/li\u003e\n\u003cli\u003eClean air over a production or packing table\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mgk-ap-aside\"\u003e\n\u003cspan class=\"mgk-ap-t\"\u003eFFU or laminar flow hood?\u003c\/span\u003e\n\u003cp\u003eA flow hood is a fan, filter and cabinet built for one bench. An FFU is the fan and filter in one box, so it can go on a bench or into a ceiling.\u003c\/p\u003e\n\u003cp\u003eOur \u003ca href=\"https:\/\/www.midwestgrowkits.com\/blogs\/news\/laminar-flow-hood-or-ffu-whats-the-difference-and-which-one-should-you-buy\"\u003eflow hood vs FFU guide\u003c\/a\u003e compares both.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eCompare our wide and compact FFUs\u003c\/h2\u003e\n\u003cdiv class=\"mgk-table-wrap\"\u003e\n\u003ctable class=\"mgk-spec-table mgk-cmp\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eMyco Labs 2' × 4'\u003c\/th\u003e\n\u003cth\u003eBonsai 4' × 2'\u003c\/th\u003e\n\u003cth\u003eMyco Labs 23\" × 23\"\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"f\"\u003eUnit size\u003c\/td\u003e\n\u003ctd class=\"c\" data-label=\"Myco Labs 2' × 4'\"\u003e47.1\" × 22.9\" × 11.75\"\u003c\/td\u003e\n\u003ctd class=\"c\" data-label=\"Bonsai 4' × 2'\"\u003e49\" × 26\" × 14\"\u003c\/td\u003e\n\u003ctd class=\"c\" data-label='Myco Labs 23\"'\u003e22.8\" square\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"f\"\u003eHEPA filter\u003c\/td\u003e\n\u003ctd class=\"c\" data-label=\"Myco Labs 2' × 4'\"\u003eH14, 99.995% @ 0.3 µm\u003c\/td\u003e\n\u003ctd class=\"c\" data-label=\"Bonsai 4' × 2'\"\u003eH14, 99.995% @ 0.3 µm\u003c\/td\u003e\n\u003ctd class=\"c\" data-label='Myco Labs 23\"'\u003eH14, 99.995% @ 0.3 µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"f\"\u003eAir velocity\u003c\/td\u003e\n\u003ctd class=\"c\" data-label=\"Myco Labs 2' × 4'\"\u003e~89–118 FPM\u003c\/td\u003e\n\u003ctd class=\"c\" data-label=\"Bonsai 4' × 2'\"\u003e95 \/ 120 \/ 160 FPM\u003c\/td\u003e\n\u003ctd class=\"c\" data-label='Myco Labs 23\"'\u003e~59 \/ 89 \/ 128 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"f\"\u003eAir volume\u003c\/td\u003e\n\u003ctd class=\"c\" data-label=\"Myco Labs 2' × 4'\"\u003e430–1,440 m³\/h\u003c\/td\u003e\n\u003ctd class=\"c\" data-label=\"Bonsai 4' × 2'\"\u003e—\u003c\/td\u003e\n\u003ctd class=\"c\" data-label='Myco Labs 23\"'\u003e350–800 m³\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"f\"\u003ePre-filter\u003c\/td\u003e\n\u003ctd class=\"c\" data-label=\"Myco Labs 2' × 4'\"\u003eIntake pre-filter\u003c\/td\u003e\n\u003ctd class=\"c\" data-label=\"Bonsai 4' × 2'\"\u003eWashable, magnetic\u003c\/td\u003e\n\u003ctd class=\"c\" data-label='Myco Labs 23\"'\u003eWashable, magnetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"f\"\u003eInstalls\u003c\/td\u003e\n\u003ctd class=\"c\" data-label=\"Myco Labs 2' × 4'\"\u003eBench or 2' × 4' ceiling grid\u003c\/td\u003e\n\u003ctd class=\"c\" data-label=\"Bonsai 4' × 2'\"\u003eBench (14\" deep)\u003c\/td\u003e\n\u003ctd class=\"c\" data-label='Myco Labs 23\"'\u003eBench or 2' × 2' ceiling grid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eWhat you can do with it\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePour and transfer a full row of agar plates at once\u003c\/li\u003e\n\u003cli\u003eInoculate grain jars and spawn bags in batches\u003c\/li\u003e\n\u003cli\u003eLiquid culture, cloning and syringe work\u003c\/li\u003e\n\u003cli\u003ePlant tissue culture and other sterile lab work\u003c\/li\u003e\n\u003cli\u003eModular clean rooms and sterile production spaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv class=\"mgk-table-wrap\"\u003e\n\u003ctable class=\"mgk-spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eMyco Labs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit size\u003c\/td\u003e\n\u003ctd\u003e47.1\" × 22.9\" × 11.75\"; fits standard 24\" × 48\" ceiling tile grids\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHEPA filter\u003c\/td\u003e\n\u003ctd\u003eH14, 99.995% efficiency at 0.3 microns\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClean-air rating\u003c\/td\u003e\n\u003ctd\u003eISO Class 5 \/ Class 100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiltration\u003c\/td\u003e\n\u003ctd\u003eTwo-stage: intake pre-filter + H14 HEPA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFan control\u003c\/td\u003e\n\u003ctd\u003e3-speed knob (Off \/ Low \/ Middle \/ High)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir velocity\u003c\/td\u003e\n\u003ctd\u003e0.45–0.6 m\/s ±20% (about 89–118 FPM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir volume\u003c\/td\u003e\n\u003ctd\u003e430–1,440 m³\/h (about 253–848 CFM), varies with operating conditions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFan\u003c\/td\u003e\n\u003ctd\u003eAluminum blades, copper-wound motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing\u003c\/td\u003e\n\u003ctd\u003eAluminum-zinc plated steel, insulated handles, safety latches joining fan and filter sections\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e110V single-phase, US plug, fused power inlet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eFree shipping in the contiguous US\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- A+ Module 5: comparison chart of our own products, each column links --\u003e\n\u003ch2\u003eBuild out your clean bench\u003c\/h2\u003e\n\u003cdiv class=\"mgk-ap-prod\"\u003e\n\u003ca class=\"cur\" href=\"https:\/\/www.midwestgrowkits.com\/products\/myco-labs-2x4-h14-hepa-flow-hood-fan-filter-unit-ffu-110v\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0712\/0679\/7461\/files\/Myco_Labs_Two-Section_Filter_Unit.png?v=1793410701\u0026amp;width=400\" alt=\"Myco Labs 2 x 4 HEPA fan filter unit\" width=\"400\" height=\"400\" loading=\"lazy\"\u003e\u003cspan class=\"pn\"\u003eMyco Labs 2' × 4' FFU\u003c\/span\u003e\u003cspan class=\"pp\"\u003eThis product\u003c\/span\u003e\u003c\/a\u003e \u003ca href=\"https:\/\/www.midwestgrowkits.com\/products\/myco-labs-23-x-23-99-99-hepa-flowhood-fan-filter-unit-ffu-120v\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0712\/0679\/7461\/files\/22x22_FFU_Main_Image_white.jpg?v=1772753122\u0026amp;width=400\" alt=\"Myco Labs 23 x 23 inch HEPA fan filter unit\" width=\"400\" height=\"400\" loading=\"lazy\"\u003e\u003cspan class=\"pn\"\u003eMyco Labs 23\" FFU\u003c\/span\u003e\u003cspan class=\"pp\"\u003eCompact size\u003c\/span\u003e\u003c\/a\u003e \u003ca href=\"https:\/\/www.midwestgrowkits.com\/products\/bonsai-premium-12-stainless-steel-elevated-workspace-platform-table-riser\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0712\/0679\/7461\/files\/Bonsai_elevated_1.jpg?v=1745528288\u0026amp;width=400\" alt=\"Bonsai 12 inch stainless steel elevated workspace riser\" width=\"400\" height=\"400\" loading=\"lazy\"\u003e\u003cspan class=\"pn\"\u003eWorkspace Riser\u003c\/span\u003e\u003cspan class=\"pp\"\u003e12\" stainless\u003c\/span\u003e\u003c\/a\u003e \u003ca href=\"https:\/\/www.midwestgrowkits.com\/products\/bonsai-4-x-2-ft-99-99-hepa-flowhood-fan-filter-unit-ffu-120v\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0712\/0679\/7461\/files\/Bonsai_4x2_FFU.jpg?v=1785514975\u0026amp;width=400\" alt=\"Bonsai 4 x 2 ft HEPA fan filter unit\" width=\"400\" height=\"400\" loading=\"lazy\"\u003e\u003cspan class=\"pn\"\u003eBonsai 4' × 2' FFU\u003c\/span\u003e\u003cspan class=\"pp\"\u003eBenchtop FFU\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mgk-table-wrap\"\u003e\n\u003ctable class=\"mgk-spec-table mgk-cmp mgk-ap-cmp\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eMyco Labs 2' × 4'\u003c\/th\u003e\n\u003cth\u003eMyco Labs 23\"\u003c\/th\u003e\n\u003cth\u003eRiser\u003c\/th\u003e\n\u003cth\u003eBonsai 4' × 2'\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"f\"\u003eUse it for\u003c\/td\u003e\n\u003ctd class=\"c\" data-label=\"Myco Labs 2' × 4'\"\u003eWide bench or 2' × 4' ceiling\u003c\/td\u003e\n\u003ctd class=\"c\" data-label='Myco Labs 23\"'\u003eSingle bench or 2' × 2' ceiling\u003c\/td\u003e\n\u003ctd class=\"c\" data-label=\"Riser\"\u003eLifting work into the airflow\u003c\/td\u003e\n\u003ctd class=\"c\" data-label=\"Bonsai 4' × 2'\"\u003eWide benchtop clean air\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"f\"\u003eSize\u003c\/td\u003e\n\u003ctd class=\"c\" data-label=\"Myco Labs 2' × 4'\"\u003e47.1\" × 22.9\"\u003c\/td\u003e\n\u003ctd class=\"c\" data-label='Myco Labs 23\"'\u003e22.8\" square\u003c\/td\u003e\n\u003ctd class=\"c\" data-label=\"Riser\"\u003e12\"\u003c\/td\u003e\n\u003ctd class=\"c\" data-label=\"Bonsai 4' × 2'\"\u003e49\" × 26\", 14\" deep\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"f\"\u003eStep\u003c\/td\u003e\n\u003ctd class=\"c\" data-label=\"Myco Labs 2' × 4'\"\u003eClean air source\u003c\/td\u003e\n\u003ctd class=\"c\" data-label='Myco Labs 23\"'\u003eClean air source\u003c\/td\u003e\n\u003ctd class=\"c\" data-label=\"Riser\"\u003eBench setup\u003c\/td\u003e\n\u003ctd class=\"c\" data-label=\"Bonsai 4' × 2'\"\u003eClean air source\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"f\"\u003ePairs with\u003c\/td\u003e\n\u003ctd class=\"c\" data-label=\"Myco Labs 2' × 4'\"\u003eRiser\u003c\/td\u003e\n\u003ctd class=\"c\" data-label='Myco Labs 23\"'\u003eRiser, spare filter\u003c\/td\u003e\n\u003ctd class=\"c\" data-label=\"Riser\"\u003eAny FFU or hood\u003c\/td\u003e\n\u003ctd class=\"c\" data-label=\"Bonsai 4' × 2'\"\u003eRiser, Bonsai filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mgk-rec\"\u003e\n\u003cp\u003e\u003cspan class=\"mgk-eyebrow\"\u003eHEPA filter care\u003c\/span\u003eNever wash or vacuum the HEPA filter face. Keep the intake pre-filter clean so dust doesn't load up the HEPA, and the filter will hold its airflow longer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eSee an FFU in action\u003c\/h2\u003e\n\u003cdiv class=\"mgk-inline-video mgk-16x9\"\u003e\u003ciframe title=\"Introduction to FFUs (Fan Filter Units)\" src=\"https:\/\/player.vimeo.com\/video\/913861820?badge=0\u0026amp;autopause=0\u0026amp;player_id=0\u0026amp;app_id=58479\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eWhen to replace the HEPA filter\u003c\/h2\u003e\n\u003cp\u003eThere's no single expiry date for a HEPA filter. It wears out two ways: dust loading, which tracks run hours and how clean your room is, and aging of the media and gasket seals, which tracks the calendar. Plan on about 24 months for typical hobby use and 12–18 months in a busy lab. Keep it in service as long as it passes an agar plate test and holds its airflow, and replace it sooner if it doesn't.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0712\/0679\/7461\/files\/FFU_filter_replacement_planning_guide.png?v=1793447227\u0026amp;width=900\" alt=\"HEPA filter replacement chart for FFUs and flow hoods: planning hours and calendar months by environment, from dusty 24\/7 industrial use at 6–12 months to very light hobby use at 36–48 months\" width=\"900\" height=\"900\" loading=\"lazy\" style=\"display: block; width: 100%; max-width: 640px; height: auto; border: 1px solid #e2e2e2; border-radius: 6px; margin: 0 auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003eOur \u003ca href=\"https:\/\/www.midwestgrowkits.com\/blogs\/growing-tips\/how-often-to-replace-flow-hood-ffu-hepa-filter\"\u003eHEPA filter replacement guide\u003c\/a\u003e explains each row of the chart and walks through four simple tests (agar plates, a flame test, an anemometer reading and a pre-filter check) that tell you when your filter is actually done.\u003c\/p\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary class=\"mgk-faq\"\u003eCan I use it as a flow hood on a table?\u003c\/summary\u003e\n\u003cdiv class=\"mgk-faq-body\"\u003e\n\u003cp\u003eYes. Stand it on its long side on a table at least 4 feet wide with the HEPA face toward you, and it works like a wide horizontal laminar flow hood for agar, liquid culture and inoculations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary class=\"mgk-faq\"\u003eWill it fit in a drop ceiling?\u003c\/summary\u003e\n\u003cdiv class=\"mgk-faq-body\"\u003e\n\u003cp\u003eYes. The unit measures 47.1 by 22.9 inches and fits standard 24 by 48 inch ceiling tile grids, like the FFUs in commercial clean rooms.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary class=\"mgk-faq\"\u003eWhat HEPA filter does it use?\u003c\/summary\u003e\n\u003cdiv class=\"mgk-faq-body\"\u003e\n\u003cp\u003eAn H14 HEPA filter rated 99.995% efficient at 0.3 microns, for ISO Class 5 \/ Class 100 clean air. A pre-filter on the intake catches larger particles first.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary class=\"mgk-faq\"\u003eDoes it need special wiring?\u003c\/summary\u003e\n\u003cdiv class=\"mgk-faq-body\"\u003e\n\u003cp\u003eNo. It plugs into a standard 110V household outlet.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary class=\"mgk-faq\"\u003eCan I wash the HEPA filter?\u003c\/summary\u003e\n\u003cdiv class=\"mgk-faq-body\"\u003e\n\u003cp\u003eNo. HEPA filters should never be washed or vacuumed. Keep the intake pre-filter clean so dust doesn't reach the HEPA and it lasts longer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary class=\"mgk-faq\"\u003eHow is it different from the Myco Labs 23 x 23 inch FFU?\u003c\/summary\u003e\n\u003cdiv class=\"mgk-faq-body\"\u003e\n\u003cp\u003eBoth use H14 HEPA filters and three-speed controls. The 2 x 4 is twice as wide, moves up to 1,440 cubic meters of air per hour versus 800, and fits a 2 x 4 ceiling grid instead of a 2 x 2.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary class=\"mgk-faq\"\u003eHow is it different from the Bonsai 4' x 2' FFU?\u003c\/summary\u003e\n\u003cdiv class=\"mgk-faq-body\"\u003e\n\u003cp\u003eBoth are H14 HEPA, ISO Class 5 units with a 4-foot filter face. The Myco Labs unit is slimmer at 11.75 inches deep and sized for a 2 x 4 ceiling grid. The Bonsai is 14 inches deep, reaches up to 160 FPM, has a washable magnetic pre-filter and carries an 18-month warranty.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary class=\"mgk-faq\"\u003eHow often should I replace the HEPA filter?\u003c\/summary\u003e\n\u003cdiv class=\"mgk-faq-body\"\u003e\n\u003cp\u003eFor typical hobby use, plan on replacing it about every 24 months; in a busy lab running most of the day, every 12–18 months; and in a dusty, round-the-clock space, every 6–12 months. Some manufacturers recommend replacing as often as every 12 months, because filter media and seals age even when the unit isn't running. Treat 24 months as a planning number, and let an agar plate test and an airflow check tell you when it's actually done. Our \u003ca href=\"https:\/\/www.midwestgrowkits.com\/blogs\/growing-tips\/how-often-to-replace-flow-hood-ffu-hepa-filter\"\u003eHEPA filter replacement guide\u003c\/a\u003e has the full chart and four simple tests.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cul class=\"mgk-ctas\"\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.midwestgrowkits.com\/collections\/fan-filter-units\"\u003eShop fan filter units\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca class=\"mgk-cta-alt\" href=\"https:\/\/www.midwestgrowkits.com\/collections\/flow-hoods-clean-room\"\u003eFlow hoods \u0026amp; clean room\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca class=\"mgk-cta-alt\" href=\"https:\/\/www.midwestgrowkits.com\/blogs\/news\/laminar-flow-hood-or-ffu-whats-the-difference-and-which-one-should-you-buy\"\u003eFlow hood vs FFU guide\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Myco Labs","offers":[{"title":"Default Title","offer_id":68112704503957,"sku":"FFU48","price":879.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/0679\/7461\/files\/Myco_Labs_Two-Section_Filter_Unit.png?v=1793410701","url":"https:\/\/www.midwestgrowkits.com\/products\/myco-labs-2x4-h14-hepa-flow-hood-fan-filter-unit-ffu-110v","provider":"Midwest Grow Kits","version":"1.0","type":"link"}