Brand Name: Oatey
*Product Type: Sure Vent Air Admittance Valve
*Size: 2 in.
*End 1 Diameter: 2 in.
*Material: PVC
*Packaging Type: Boxed
*Complies to ASSE standard 1050 and 1051
* For use as a secondary vent
* Opens/closes as needed by building's plumbing system
* Schedule 40