Air Admittance Valve
Sioux Chief now offers its TurboVent air admittance valve with a 1½- to 2-inch HUB X FIP combo adapter. Available in either ABS or PVC, the adapter fits over 1½-inch or 2-inch DWV pipe, meets ASTM 2665 and conforms to national and local code standards for proper DWV fitting installations.
Sioux Chief. www.siouxchief.com