4 to 3 inch Radon Mitigation System Kit – 2 Speed Radon Fan

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 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,...