Oatey 1-1/2"- 2" ABS Sure Vent Studor Type

OA39019 MFG #: 39019
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.
  • Features
  • 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