3" Male Adapter x 3" Male ThreadQuick disconnect couplings provide fast, positive, leak proof connections for hose and pipe without threading, tools, and strain in seconds. With adapter and coupler secured to the end connections, simply insert adapter into coupler and pull down cam arms to lock assembly. Glass filled polypropylene with EPDM gaskets Stainless steel rings, arms & pins For handling chemicals, other liquids & dry chemicals Not UV resistant Interchangable with all types