Oatey 3875339019 Sure-Vent 1.5 in. – 2 in. 160 Branch, 24 Stack DFU Capacity Air Admittance Valve with Straight ABS Schedule 40 Adapter, Black

• For use as a secondary vent
• One size approved to handle up to 3" vent pipe
• Opens/closes as needed by building's plumbing system
• International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

Oatey Sure-Vent Air Admittance Valves provide the ideal venting solution for island sinks, remote bathrooms and remodel jobs by eliminating the need for a stack vent. They are designed to block sewer gases in DWV systems by opening and closing when the slightest change in pressure is detected. Available with PVC or ABS adapters, this Sure-Vent air admittance valve vents up to 160 DFU (branch) or 24 DFU (stack) and fit 1-1/2 in.–2 in. pipes. Oatey products have earned the trust of plumbing professionals for over 100 years.