Suncourt Radon Mitigation Fan Kit with 4" to 3" Couplers

The Suncourt Radon Mitigation Fan Kit is ideal for sub-slab depressurization. The kit includes the 4" input/output fan, 2 white 4" to 3" rubber couplers and optional mounting hardware. The thermal plastic housing is resistant to UV rays and has been epoxy sealed for a watertight performance. It is ETL listed for continuous use and indoor/outdoor operation.