Professional Mitigation Fan: ventilation fan is purposefully built to lower the existing radon levels along a wide variety of sub-slab soil types (dirt, gravel, etc.). Vac fan is provided with a permanently lubricated ball bearing motor Easy-to-Install Exhaust Fan: radon fan can be directly connected with 4 in. schedule 40 PVC and can be assembled in 5 minutes. Mitigation system fan is available with a 6 ft. power cord. For a rapid performance enhancement, user can add PVC4 to the system Functional Radon Vac: extractor fan is advanced with a silent motor that restricts noise levels and ensures a quiet operation Safe Exhaust Vent: home improvement tool is manufactured with custom-fitted gaskets to thwart radon gas leakage. Wall-mount fan is provided with heavy-duty galvanized steel housing and strong backward inclined steel impeller Specifications: ceiling vent fan weighs 3 lbs. and is efficiently constructed with 6.8 x 6.5 x 6.4 in. User can easily regulate the discharge hood to balance system requirements