Oatey® Sure-Vent® 6 DFU Capacity Air Admittance Valve is a one-way valve designed to allow air to enter the plumbing drainage system when negative pressures develop in the piping system.
$20.49
each
12 In Stock
or for lower prices and free shipping.
For use as a secondary vent
One size approved to handle up to 2 in vent pipe
Opens/closes as needed by building's plumbing system