Check Valve, 90 CFM, 1-1/4" (F)NPT, Conrader, Mfr#: CTB114114

Check Valve, Inlet (In.) 1-1/4 in (F)NPT, Outlet (In.) 1-1/4 in (M)NPT, Max. Pressure (PSI) 500 psi, Cracking Pressure (PSI) 1 psi, Flow Range Free Air (CFM) 90 cfm