Sioux Chief’s new TurboVent Air Admittance Valve features a 1-1/2 inch to 2 inch HUB x FIP Combo Adapter designed to fit over 1-1/2-inch or 2-inch DWV pipe. The valve is available in either ABS or PVC and meets ASTM 2665 as well as national and local code standards for DWV fitting installations.

Sioux Chief.