Oatey® 3" – 4" 500 DFU Sure-Vent AAV 3" x 4" Sch. 40 PVC adapter Outdoor Power Equipment Satin finished

Satin finished

with the hour meter keeping track of necessary upkeep at regular intervals

Auto Ranging Measures Up To 600V AC/DC Voltage

EMI/RFI noise filtration

GENERAL WEED CONTROL: Use along fences

Oatey® 3" – 4" 500 DFU Sure-Vent AAV 3" x 4" Sch. 40 PVC adapter Outdoor Power Equipment Satin finishedOatey 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