VENT, 2", POLY, Yellow, Vac Only, .5# Vac, Viton O-Rings, PV-DV, Stainless Steel Spring
2" Yellow Poly Double Vacuum Only Vent with Viton O-Rings and Stainless Steel Springs
VENT, 2", POLY, White, Press/Vac, 5# PSI/.5# Vac, Viton O-Rings
VENT, 2", POLY/Stainless, Press/Vac, 3# PSI/ .5# Vac, Viton Gasket, Gits, Fully Open at 5# PSI
VENT, 3", 316SS, Press/Vac, 3# PSI/ .5# Vac, Teflon O-Rings, 5:1 Gits