Specifications Family: Cam Lever Couplings Type: Part D Style: Polypropylene Size: 3\” Weight 0.954 lbs Complete series of \”, \”, 1\”, 1\”, 1\”, 2\”, 3\” and 4\” NPT thread. Durable: Polypropylene is glass filled for rugged strength and durability. Economical and superior in performance. Most complete line of polypropylene couplings available. Maximum operating pressure 300 psi Precision molded: insures: uniform and accurate fit. Smooth operating: finger rings are designed for easy opening of cam levers. Stainless steel rings, arms: pins. EPDM gaskets. Versatile: interchangeable with all types of cam lever couplers. WARNING: Couplings should not be disconnected under pressure or with liquid in the line. Complete series of \”, \”, 1\”, 1\”, 1\”, 2\”, 3\” and 4\” NPT thread. Durable: Polypropylene is glass filled for rugged strength and durability. Economical and superior in performance. Most complete line of polypropylene couplings available. Maximum operating pressure 200 psi Precision molded: insures: uniform and accurate fit. Smooth operating: finger rings are designed for easy opening of cam levers. Stainless steel rings, arms: pins. EPDM gaskets. Versatile: interchangeable with all types of cam lever couplers. WARNING: Couplings should not be disconnected under pressure or with liquid in the line. Carrico Part Number: PM300D