Suncourt Centrax RDK04 Radon Fan Mitigation Kit, Indoor and Outdoor Installation, Inline Centrifugal Fan with Rubber Couplers (4 inch x 4 inch) and Air Pressure Indicator, White

Suncourt Centrax RDK04 Radon Fan Mitigation Kit, Indoor and Outdoor Installation, Inline Centrifugal Fan with Rubber Couplers (4 inch x 4 inch) and Air Pressure Indicator, WhiteSuncourt has manufactur...