Radon Mitigation Fan 4–4.5 in, 190 CFM, 2 Couplers

Radon mitigation fan helps move basement and crawlspace air efficiently, supporting continuous ventilation with low-noise operation. Designed for 4–4.5 inch piping, this inline duct fan delivers up to 190 CFM airflow while staying around 47 dB—about normal conversation—so it can run day and night with less disruption. A sealed ABS housing and weather-resistant design allow flexible indoor or outdoor placement in attics, basements, or ventilation ducts.

Built for dependable, plug-and-play operation, this inline radon fan combines strong airflow, quiet performance, and a leak-resistant sealed design to support consistent ventilation where you need it most. Place it along your duct run in the basement, attic, or exterior line to help keep air moving without constant attention. If you’re upgrading an older system or installing a new ventilation run, the included couplers and standard diameter connections help streamline the job. Grab yours today and get your system running with less hassle.