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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. www.siouxchief.com