Oatey 39019 Sure-Vent 2-Inch ABS Adapter Bulk Pack, 1-1/2-Inch Air Admittance Valve, 1.5 Inch, Black

For use as a secondary vent, vents up to 160 DFU Branch or 24 DFU Stack One size approved to handle 1-1/2 in.–2 in. vent pipe Protective sleeve provides grip for installation and keeps valve free from debris 100% functionally tested at 1/4 in. H2O and 30 in. H2O, ensuring trouble-free performance Complies to ASSE Standard 1050 and 1051, International Plumbing Code (IPC) and Uniform Plumbing Code (UPC) approved Complies to ANSI/ASSE 1051 A&B Adapter allows solvent welding to 1 1/2-Inch or 2-Inch Sch. 40 PVC pipe or threads into 2-Inch FIP fitting