4 to 3 inch Radon Mitigation System Kit - 2 Speed Radon Fan 240CFM | 168CFM with Rubber Couplings and Air Pressure Indicator, Quiet and Energy Efficient, Fits 3” Piping

Rysmirs 4x3 inch 2 Speed Radon Mitigation Fan Installation Kit -2025 upgrade IP67 waterproof indoor outdoor radon mitigation fan system -2 Speed Radpn Fan, 240CFM at 44db noise level, 168CFM at 32db noise level -Easy to install, 4 inch installation kit include one of radon fan, two of 4 to 3 inch connector, mounting brackets, air pressure gauge -Durable and tough plastic housing (ABS+PC) with UV protection ingredient, extend this electric inline fan service time up to 10+ years -Backward inclined centrifugal impeller design, maximize the gas and fluid dynamics, truly home retrofits on radon level mitigation. --You can immediately feel how efficiently it moves air through the system. It creates a strong, steady vacuum without needing to run at maximum speed all the time. The static pressure performance listed on the product page (350/280 Pa) matches well with what you can feel in real use. The overall functionality is reliable and consistent. -The Radon Mitigation System is a quality, quiet, and reliable solution for homeowners looking to reduce radon exposure. Its adjustable airflow, durable construction, and indoor/outdoor flexibility make it an excellent choice for both replacement and new installations.

• One Kit Eliminate Radon - This kit includes everything you need: the 4" fan itself, two 4 to 3” rubber couplings, an air pressure indicator, a mounting bracket, and sealing tape. Installation is straightforward and simple, only needs a screwdriver, PVC glue, and a drill you can finish the install
• 2-Speed Radon Fan - This new upgrade radon mitigation fan offers two speed settings, high speed is 240CFM at 44db, low speed is 168CFM at 32db. You can started with the higher speed for initial radon reduction, then switched to low speed for better noise experience and saving energy
• Strong Performance, Quickly Mitigate Radon - The fan will create a strong and steady vacuum through the system, moving air efficiently without struggling, this makes a noticeable difference in stabilizing radon levels. Most homes experience restored healthy air quality within 48 hours of installation
• Quietly Operation – This fan has a soft, steady hum that disappears in the background, which is important for indoor setups or homes where the system is close to living areas. Even at full speed, the fan runs around 44 dB, roughly the noise level of a library whisper. Low speed is barely audible indoors
• Robust & Durable – Excellent quality with a solid and well-built housing, everything fits together tightly, and the wiring connection is secure and well-protected, sturdy construction with overbuilt design last up to 10 years. IP67 waterproof rating allows indoor or outdoor installation, vertically or horizontally