Oatey® 3" – 4" 500 DFU Sure-Vent AAV 3" x 4" Sch. 40 PVC adapter Moth Prevention Screw Shearing Holes

Screw Shearing Holes

Used for fencing

Dual Tooth design features a double tooth configuration with small gullets for faster material removal and extra durability

Replacement brass shutoff assemblyFor select industrial sprayers Compatible with 1949

Oatey® 3" – 4" 500 DFU Sure-Vent AAV 3" x 4" Sch. 40 PVC adapter Moth Prevention Screw Shearing HolesOatey 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