Oatey® 3" – 4" 500 DFU Sure-Vent AAV 3" x 4" Sch. 40 PVC adapter Size:3" – 4" Dependable performance

Dependable performance

but delivers a full system solution for all drilling and fastening needs

VOC Complaint In The SCAQMD District Of California

Classic chrome finish with ABS plastic top & body includes push rod

or Wide London

Oatey® 3" – 4" 500 DFU Sure-Vent AAV 3" x 4" Sch. 40 PVC adapter Size:3" – 4" Dependable performanceOatey Sure Vent 500 DFU Capacity Air Admittance Valve's one way valve is designed to allow air to enter the plumbing drainage system when negative pressures develop in the piping system. Complies to ASSE Standard 1050 and 1051 For use as a secondary vent One size approved to handle up to 4" vent pipe Opens closes as needed by building's plumbing system