Sure-Vent 1-1/2 in.–2 in. 160 Branch, 24 Stack DFU Air Admittance Valve with …
Vents up to 160 DFU Branch or 24 DFU Stack. Sure-Vent 1-1/2 in. 160 Branch, 24 Stack DFU Air Admittance Valve with White PVC Sch. 40 Adapter. Sure-Vent air admittance valve with PVC Sch. 40 adapter.