623V-2203 2NPT Pressure Vacuum Vent, 3" WC, White$$Tools & Hardware Other

Pressure/Vacuum Settings are factory preset and tested Corrosion-Resistant Construction - a Duratuff composite body ensures a long service life Easy Installation Complies with NFPA 30 Requirements - for venting gasoline vapors upward High Maximum Flow Rate - 6450 SCFH at 2psi (0.1 bar) pressure drop