Oatey® Sure-Vent® 39239 Air Admittanc Valve Kit
- Closes through gravity
- Complies to ASSE Standard 1050 and 1051
- For use as a secondary vent
- IAPMO Listed
- One size approved to handle up to 2" vent pipe
- Opens/closes as needed by building's plumbing system
- DFU Rating: 20 Bramch, 8 Stack