Oatey® 3" – 4" 500 DFU Sure-Vent AAV 3" x 4" Sch. 40 PVC adapter Size:3" – 4" Integrated LED for increased visibility

Integrated LED for increased visibility & cut accuracy

along with an led light to provide illumination

Made from hot-rolled steel for durability

Dependable performance

GUARANTEED 10 YEARS IN STORAGE

Oatey® 3" – 4" 500 DFU Sure-Vent AAV 3" x 4" Sch. 40 PVC adapter Size:3" – 4" Integrated LED for increased visibilityOatey 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