Bonsai H14 99.995% HEPA Laminar Flow Hood Clear Coat + Extra Filter Bu – Midwest Grow Kits
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Bonsai H14 99.995% HEPA Laminar Flow Hood Clear Coat + Extra Filter Bundle

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$36999 $38999
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12"x12" horizontal laminar flow hood with H14 99.995% HEPA filtration and 200+ ft/min airflow, bundled with a second HEPA filter as a ready spare. USA-built, ~15-minute tool-free assembly, 3-year motor warranty.

🔥 16 purchased in the last 30 days
⭐ 300+ units sold

Description

The Bonsai HEPAFLOW-12 Clear Coat + Extra Filter Bundle pairs the same 12"×12" horizontal laminar flow hood used across the Bonsai personal lineup with a second H14 HEPA filter included in the box — a ready spare for when your installed filter reaches the end of its service life. Both filters are rated 99.995% efficient at 0.3 microns.

Use it for working with agar plates, creating spore syringes, inoculating jars, bags, and substrates, grain-to-grain transfers, and cloning or isolating mycelium.

  • Horizontal laminar flow
  • H14 HEPA
  • Spare filter included
  • Made in the USA
  • 3-year motor warranty
  • 2 filtersInstalled + spare
  • 99.995%@ 0.3 microns
  • 200+ ft/minAirflow
  • 12"×12"×3"Filter size
  • 28.5 lbsWith spare filter

Why growers pick the Extra Filter Bundle

  • A second HEPA filter included – You have a ready replacement without a future order.
  • True horizontal laminar airflow – 200+ feet per minute, exceeding typical cleanroom standards.
  • Made in the USA – Hand-tested by certified technicians.
  • Quick assembly – Tool-free Click n' Twist assembly in about 15 minutes.

What's included

  • 1× Bonsai HEPAFLOW-12 Clear Coat flow hood with 12"×12"×3" H14 HEPA filter installed
  • 1× extra 12"×12"×3" Minipleat H14 HEPA filter (spare, uninstalled)
  • 10' grounded power cord
  • Full user guide covering sterile technique, agar work, and syringe creation

How it's used

  1. Assemble. Use the tool-free Click n' Twist system — about 15 minutes.
  2. Power on. Let the HEPA-filtered air run for a few minutes to establish a steady laminar flow before starting work.
  3. Set up your work. Position your agar plates, jars, or syringes inside the sterile air curtain at the front of the work surface.
  4. Work in the airflow. Perform transfers, pours, or inoculations within the airflow zone, keeping hands and tools inside the curtain.
  5. Swap in the spare when it's time. Store the spare filter in its packaging until airflow drops or the installed filter reaches about 3,000 hours of use, or 3–5 years under normal use.

Keep the spare sealed: leave the extra filter in its packaging until you need it, so it goes into the hood clean.

Specifications

Specification Detail
Filter (installed) 12″×12″×3″ H14 Minipleat HEPA
Spare filter 1× additional 12″×12″×3″ H14 HEPA filter included
Filter efficiency 99.995% @ 0.3 microns
Pressure drop 0.58 @ 100cm
Blower 135 CFM, private-label component (Sub-Zero/Wolf Appliances)
Airflow speed 200+ feet per minute
Voltage 120V grounded, 16-gauge power cord
Assembled dimensions 15″W × 26″H × 15″D
Weight 28.5 lbs (includes spare filter)
Construction 3/4″ cabinet-grade birch plywood, natural clear coat, 100% silicone-sealed joints
Assembly ~15 minutes, tool-free (Click n' Twist)
Filter lifespan About 3,000 hours, or 3–5 years under normal use, per filter
Warranty 3-year motor warranty
SKU FL1B

Don't need the spare?The standard HEPAFLOW-12C is the same hood without the extra filter, and the HEPAFLOW-12 replacement filter is sold on its own.

FAQ

What's the difference between this and the standard HEPAFLOW-12C?

Same 12"×12" hood — this bundle also includes a second HEPA filter as a ready spare for when your installed filter reaches the end of its service life.

How do I know when to swap in the spare filter?

Watch for a noticeable drop in airflow, or plan to swap it in once the installed filter reaches about 3,000 hours of use, or 3–5 years under normal use.

Is assembly difficult?

No — it's a tool-free Click n' Twist assembly that takes about 15 minutes.

I need a bigger work surface — what are my options?

For a larger sterile zone, step up to the Bonsai XL 24″×18″, or for commercial and multi-person use the Bonsai Commercial 48″×24″.

What's the warranty and return policy?

This unit carries a 3-year motor warranty. Unopened units are eligible for return; opened units are eligible for exchange only, and shipping damage is handled promptly. Ships via FedEx directly from the U.S.-based manufacturer.