Dixon Valve Type C cam and groove fitting comes with EPDM gasket. Recommended for a maximum working pressure of 125 psi. Recommendations based on the use of mating Dixon fitting at an ambient temperature of 70 degree F with standard seal installed. Polypropylene cam and groove should not be mixed with metal fitting. Supplied with EPDM gaskets. Coupler is manufactured from a glass-filled polypropylene.