1-1/2 Inch NPT ABS in Line Vent, Diaphragm RV Air Admittance Valve for under Sin
Outlet Connection Type NPT. Material Type Acrylonitrile Butadiene Styrene (ABS). Exterior Finish ABS. Material Acrylonitrile Butadiene Styrene (ABS). Inlet Connection Type National Pipe Tapered. Valve Type diaphragm_air_admittance_valve.