Mechanical Groove Fittings Munro Flexible Coupling M7705 Munro Reducing Coupling M7706 Munro HDPE Coupling M95 Munro HDPE Transition Coupling M97 Munro Grooved-end Elbows: 90º Elbow M7110, 45º Elbow M7111 Munro Grooved-end Caps M7160 Munro Grooved-end Tees M7120 Munro Flange Adapter M7180 Munro Universal Flange Adapter M7170L Munro Concentric Reducer: M7150 and M7150F Munro Mechanical Tee M7721 Munro Adapter Nipples: Groove x Thread M59, Groove x Weld M58 Munro Swage Nipples Concentric Munro Swage Nipples Eccentric Check Valve Munro 3" Grooved No-Lead Brass Check Valve Ball Valve Butterfly Valve Gasket Nitrile