MCV100 by Banjo | Manifold Flange Connections for Flanged Check Valve | Flow: 1" | Gasket: EPDM | 300 PSI | Polypropylene | Pack of 10Features: Quick and easy assembly Positive seals Easy on off hose connections 360 orientation Materials: Glass reinforced polypropylene. Part Number Description Cracking Pressure PSI Max PSI MCV100 1" Flange Check Valve 1 PSI 300 PSI MCV200 2" Flange Check Valve 0. 5 PSI 300 PSI MCV100V 1" Manifold Check Valve 1 PSI 300 PSI MCV221 2" Full Port Flanged Check Valve >0. 5 PSI 200 PSI MCV300 3" Flange Check Valve With 5 LB Spring 1. 5 PSI 200 PSI MCV301