Oatey® 3" – 4" 500 DFU Sure-Vent AAV 3" x 4" Sch. 40 PVC adapter Moth Prevention includes 43" Expandable metal tri-pod

includes 43" Expandable metal tri-pod base and leg spikes for durability

and plant supports

Compatible with front and rear grease griddle tops

Made with 100% woven polyamide

SmartKey cylinder is a bump-resistant

Oatey® 3" – 4" 500 DFU Sure-Vent AAV 3" x 4" Sch. 40 PVC adapter Moth Prevention includes 43" Expandable metal tri-podOatey 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