Fan filter units
3×4 ft fan filter unit
A wider 36 × 48 in. filter face for larger work areas.
$1,589.00
Listed price · final total at checkoutSee specs Equipment / Fan filter units
Fan filter units / Flowhoods catalog
2×4 ft fan filter unit
The 2×4 unit gives you a broad clean-air face without taking over the whole room. It has a replaceable HEPA filter, adjustable fan speed, and a 120 V plug. Leave space behind the intake when you set it on a bench.
Listed price
$1,189.00
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: Freight is quoted separately. Residential delivery is curbside; inspect the shipment before signing.
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.
- Overall size
- 24 × 48 × 13.5 in.
- HEPA filter
- 99.99% at 0.3 microns
- Power
- 120 V / 60 Hz, variable speed
- Face velocity
- 0–100+ ft/min
- Intake clearance
- 4–6 in. behind unit
- Warranty
- 1 year on parts; filters excluded
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