Fresh Water Fitting; AquaLock; Coupler; 1/2 Inch Female Quick Connect Copper Tube End x 1/2 Inch Female Quick Connect Copper Tube End; Straight Union Connector; With Ethylene Propylene Diene Monomer (EPDM) O-Ring; Polysulfone (High Performance Thermal Plastic); Off-White; Single; With Retail Packaging.