Oatey 39223 3"4" 500 DFU Sure-Vent AAV 3" x 4" Sch. 40 PVC adapter, Opens/closes as needed by building's plumbing system 192551353671 Eklind keys provide maximum torque

Eklind keys provide maximum torque and wear resistance

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Model: 28951000

Exuding minimalism

Oatey 39223 3"4" 500 DFU Sure-Vent AAV 3" x 4" Sch. 40 PVC adapter, Opens/closes as needed by building's plumbing system 192551353671 Eklind keys provide maximum torqueComplies 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 Rated 500 DFUs for venting DWV 4 and smaller Oatey 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. The purpose of an Air Admittance Valve is to provide a