4 inch inline duct fan for grow tents & hydroponics

Move air efficiently with Active Air’s in-line duct fan—ideal for grow tent ventilation, carbon filter exhaust, and general HVAC boosting. Its durable ceramic-coated metal housing, UL-recognized components, and brushless, thermally protected AC motor are built for 20,000-hour reliability with low noise. The high-quality molded impeller and sealed-for-life bearings keep performance smooth without lubrication. Includes mounting brackets and an 8-ft pre-wired 120V cord for easy setup in tight spaces.

Inline duct fan features & specs

Approx. 165 CFM @ 0.0 SP • 4" diameter • 120V / 60Hz • 113W • 0.95A • 2890 RPM • Max 71 dB • UL/CSA components (CSA Reg. 258978) • 14 AWG cord. Great as a duct booster fan for small runs, carbon filter exhaust, or intake in compact hydroponic systems.

Features:

• Compact 4" footprint — slips into tight runs and small tents without stealing canopy space.

• Reliable 165 CFM airflow — strong enough for 2×2 to 3×3 tents, carbon filters, or short duct boosts.

• Versatile use cases — intake or exhaust, carbon filter pairing, or HVAC/booster duty on small ducts.

• Low-noise operation — molded impeller + sealed bearings keep the hum down so plants (and you) stay calm.

• Built to last — brushless, thermally protected AC motor rated for 20,000 hours; zero lubrication needed.

• Plug-and-grow setup — includes mounting brackets and an 8-ft pre-wired 120V cord for quick installs.

• Safety & quality — ceramic-coated metal housing, UL-recognized components, CSA reg. 258978 for peace of mind.