Dixon® Bayloc™ Cam and Groove Coupler, Dry Disconnect, Coupling Fitting/Connector, 3 x 4 in Nominal, FNPT x Coupler End Style, 120 psi Pressure, Aluminum, Domestic Dixon® Bayloc™ DBC69-300 Dry Disconnect Cam and Groove Coupler, 3 x 4 in Nominal, FNPT x Coupler End Style, Aluminum, Domestic