Filters
2×4 ft replacement HEPA filter
A replacement filter for compatible 2×4 fan filter units.
$598.00–$698.00
Listed price · final total at checkoutSee specs Equipment / Filters
Filters / Flowhoods catalog
3×4 ft replacement HEPA filter
A 3×4 replacement HEPA filter for a compatible FFU. Verify the exact frame size and seal orientation before ordering.
Listed price
$950.00
Price checked September 25, 2026Buy nowCheckout opens on an external retailer’s site. Confirm the final price, options, and delivery charge there before paying.
Delivery: This filter ships by freight, quoted separately.
Product details
Check the fit.
Compare the dimensions, filter, and power requirements with your workspace. Confirm the exact model and options at checkout before ordering.
- Face size
- 36 × 48 in.
- Efficiency
- 99.99% at 0.3 microns
- Made in
- USA
- Fan / housing
- Not included
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