Quick view Dixon 3" Sanitary - Type D Aluminum Cam and Groove Coupling MSRP: Was: Now: $17.35 3" Sanitary - Type D Female Coupler-Hose Thread Part #: G300-C-AL Hose Size: 3" Material: Aluminum Made from molded aluminum, each Dixon Global Cam and Groove is made to standard allowing interchange with other brands. Add to Cart Add to Cart