Bonsai 3x2 FFU HEPA Filter | 36x24 H14 Replacement – Midwest Grow Kits
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Bonsai FFU H14 99.995% HEPA Replacement Filter for 3'x2' Fan Filter Unit

$39999
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Genuine 36" x 24" H14 HEPA replacement filter for the Bonsai 3' x 2' Fan Filter Unit, rated 99.995% at 0.3 microns. Rated life about 3,000 hours, or 3–5 years under normal use.


Description

This Bonsai 3' x 2' replacement HEPA filter is the 36" x 24" true H14 filter for the Bonsai 3' x 2' Fan Filter Unit, rated 99.995% efficient at 0.3 microns for ISO Class 5 / Class 100 clean air.

It has a rated life of about 3,000 hours, or 3–5 years under normal use, and drops straight into your existing Bonsai FFU. Swap it in when the filter reaches the end of its life or is damaged, and you're back to clean laminar airflow for agar work, sterile transfers and tissue culture. This listing is the filter only; the fan filter unit is sold separately.

  • True H14 HEPA
  • 99.995% @ 0.3 µm
  • 36" x 24"
  • Direct replacement
  • H14HEPA grade
  • 99.995%@ 0.3 microns
  • 36" x 24"3' x 2' filter
  • ISO 5Class 100 air
  • 3,000 hrRated life

Why growers replace with a genuine Bonsai filter

  • Made to fit – Sized for the Bonsai 3' x 2' Fan Filter Unit for a proper seal.
  • True H14 HEPA – 99.995% efficiency at 0.3 microns for cleanroom-level filtration.
  • Long rated life – About 3,000 hours, or 3–5 years under normal use.
  • Easy swap – Built for no-fuss replacement in your existing Bonsai FFU.
  • No downtime – Keep a spare on hand so a damaged filter never stops your lab work.

What's included

  • One Bonsai 3' x 2' (36" x 24") H14 HEPA replacement filter (fan filter unit sold separately)

How to replace the filter

  1. Unplug the FFU. Disconnect power before opening the unit.
  2. Remove the old filter. Take the existing HEPA filter out of the FFU housing.
  3. Install the new filter. Set the replacement in place, oriented the same way as the original.
  4. Check the seal. Make sure it sits flat and fully seated so no air bypasses the media.
  5. Power on. Reassemble, switch the FFU on and let it run before you start work.

When to replace it: After about 3,000 hours of use, or 3–5 years under normal use. Lifespan varies with your environment, so replace sooner in dusty spaces or if the filter is damaged. Rinsing the FFU's magnetic pre-filter regularly helps the HEPA filter last.

Specifications

Specification Detail
Brand Bonsai Filtration & Manufacturing
Filter grade True H14 HEPA
Efficiency 99.995% at 0.3 microns
Clean-air class ISO Class 5 / Class 100
Size 3' x 2' (36" x 24")
Rated life About 3,000 hours, or 3–5 years under normal use
Fits Bonsai 3' x 2' Fan Filter Unit

Need the unit?The Bonsai 3' x 2' Fan Filter Unit comes with this filter installed. Running a different size? See the 2' x 2' and 2' x 4' replacement filters, or all fan filter units.

FAQ

Which unit does this filter fit?

The Bonsai 3' x 2' Fan Filter Unit. It is a direct replacement for the filter that comes in the unit.

How efficient is it?

It is a true H14 HEPA filter, rated 99.995% efficient at 0.3 microns for ISO Class 5 / Class 100 clean air.

How long does the filter last?

It has a rated life of about 3,000 hours, or 3–5 years under normal use. Lifespan varies with your environment.

What size is it?

3' x 2', which is 36" x 24".

Does it include the fan filter unit?

No. This listing is the replacement filter only. The fan filter unit is sold separately.