Oatey® 3" – 4" 500 DFU Sure-Vent AAV 3" x 4" Sch. 40 PVC adapter Outdoor Power Equipment Easily and effectively handles liquid

Easily and effectively handles liquid disinfectants

Durable pans will not rust or crack

8 To 24 American Wire Gauge - Solid Or Stranded Wire

Encourages Proper Lifting Technique

Oatey® 3" – 4" 500 DFU Sure-Vent AAV 3" x 4" Sch. 40 PVC adapter Outdoor Power Equipment Easily and effectively handles liquidOatey 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