Bonsai 2 x 2 ft 99.99% HEPA Flowhood Fan Filter Unit (FFU) 120V – Midwest Grow Kits

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Bonsai 2 x 2 ft 99.99% HEPA Flowhood Fan Filter Unit (FFU) 120V

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$59999 $64999
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The Bonsai 2'x2' HEPA Flowhood FFU delivers lab-grade sterile airflow in a compact design with quiet operation, magnetic washable pre-filter, and 99.99% HEPA efficiency—perfect for mushroom cultivation and laboratory use.


Description

Bonsai 2'x2' HEPA Flowhood FFU – Compact Cleanroom Power for Any Workspace

Sterile. Smart. Space-Saving. Now Shipping FREE Across the Continental USA!

Presenting the Bonsai 2'x2' HEPA FFU Flow Hood, a powerful yet compact solution designed to deliver 99.99% cleanroom-grade air filtration in both home and commercial labs. This fan filter unit is ideal for mushroom cultivation, laboratory use, and other sterile tasks, offering maximum performance with a space-efficient 14" depth—perfect for standard workbenches.

Bonsai FFUs are quickly becoming the go-to option for those seeking a cost-effective alternative to traditional laminar flow hoods, offering superior airflow control and sterile performance.


Key Features:

    Cleanroom-Grade HEPA Filtration
    • H14-rated 99.99% @ 0.3 microns
    • Durable aluminum alloy frame with microfiber paper media

    Magnetic Washable Pre-Filter
    • No replacement costs—just rinse and reuse
    • Pre-filter rated MERV 5 / G4 95% @ 5μm

    High-Power Motor with 3-Speed Control
    • High: 120 FPM
    • Medium: 110 FPM
    • Low: 100 FPM

    Quiet & Energy-Efficient Operation
    • Runs at just 50–60 dBA
    • Consumes only 250W at 100 FPM

    Built-In Centrifugal Fan
    • Aluminum backward-curved fan delivers smooth, consistent laminar airflow

    Durable Construction
    • 20-gauge steel housing with a glossy white epoxy powder-coated finish
    • Pull handles for portability
    • Standard 110/120V power plug

Built for Mycology & Sterile Workflows

Originally engineered for clean rooms, Fan Filter Units (FFUs) like this 2x2ft model are now widely used in the mycology community, offering a sterile environment ideal for inoculations, grain transfers, agar work, cloning, and more. Bonsai FFUs ensure a controlled airflow zone where contaminants are significantly minimized—making them essential for precision lab tasks.


Specs & Dimensions:

  •     Dimensions: 25" W x 25" H x 14" D
  •     Weight: 37 lbs
  •     Average Air Flow: 500–530 CFM
  •     Resistance: 0.327–0.682 IWG
  •     Power Consumption: 250W
  •     Noise Level: 50–60 dBA

Bonus Offer:

Buy Any Bonsai FFU or Flow Hood & Save 50%
on all compatible accessories and replacement filters!
Must be purchased at the same time for discount to apply.


Shipping & Returns:

  •     FREE Shipping within the continental USA
  •     Returns: Unopened units eligible for return.
  •     Opened units: Exchange only.
  •     Shipping damage? We’ll replace it—just contact us.

 

Customer Reviews

Based on 4 reviews
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S
Sweeter creek
Exactly what I needed.

This filter works great ! Keeps air moving and filtered well in my space. Agar work is a breeze with this unit paired with the stainless raised work space! Absolutely, would recommend!!!

M
Mad Mycology
Thanks I love it!

This is one of the highest quality FFUs out there for the price. It came in perfect condition and arrived at my doorstep sooner than expected. I would just add a 16 x 16" home filter from the hardware store to the fan on the back with simple painters tape on the four corners to make the good expensive filter last even longer. The magnetic prefilter is cool, but not as effective as a home filter would be. I love standing up while working and having my hands free. Feels awesome not to have my hands in a box. So far zero contamination on any of my petri dishes made in front of this flow hood. Wow! So worth the money.

M
MycoMatt
Amazing Deal

I have been shopping around and was about to buy this exact unit from a different vendor for $899 and saw this here! $200 savings!! Now I can buy groceries this week! Haha

C
CalebKlizzz
Very Very Nice

Just got my new FFU today and it was packaged perfect- I already poured some agar and did some grain transfers! The frame and 3 speed settings are really nice features. Now just need to save up for the 2'x4' sometime soon!