Studor Mini-Vent® Air Admittance Valve with PVC Adapter

The Studor® Mini-Vent® Air Admittance Valve provides plumbing ventilation to prevent the loss of water seals in traps without the need for costly roof penetration and vent piping. Fits 1-1/2? and 2? pipe sizes. The Mini-Vent will vent up to 160 DFUs on a branch and 24 DFUs on stack