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Description
Oatey® 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.

Product Features
  • 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
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Manuals (2)
Specs
Size:

3" x 4"

Material:

PVC

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