Oatey® Sure-Vent® 20 DFU Capacity Air Admittance Valve's one-way valve allows air to enter the plumbing drainage system when negative pressures develop in the piping system.
$18.95
each
40 In Stock
PVCshow options
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For use as a secondary vent
One size approved to handle up to 3 in vent pipe
Opens/closes as needed by building's plumbing system
Bulk packed
Sweet Spot™ technology opens at -0.01 psi and seals at 0 psi and above