- Make sure this fits by entering your model number.
- 4″ Centrax In-Line Centrifugal Fan
- Includes: (2) 4″ to 4″ White Rubber Couplers and (1) Air Pressure Indicator
- ETL Listed
- 5 Year Limited Warranty
- 4″ Inlet/Outlet Diameter / Overall Diameter 10″
For continuous indoor and outdoor use. Ball bearings are permanently sealed and lubricated, motor operates at 4 sones. Works in rooms up to 3,500 sq. ft. Thermal plastic resin housing is UV resistant, watertight and epoxy sealed for performance and durability. Mounting hardware included. Kit includes 4 in. input/output fan, air pressure indicator and 2 white 4 in. to 4 in. rubber couplers. Air pressure indicator to detect pressure in the line. Radon kit couplers are sized to match included radon fan to 4 in. schedule 40 PVC. It is ETL listed for continuous use and indoor and outdoor operation. Conforms to CSA C22.2 no. 113. Conforms to UL 705. Dimension – 10.5 x 10.5 x 16.25 in.