Dixon, 300-A-AL, 3" Aluminum Boss-Lock Cam & Groove Male Adapter x Female NPTApplicationsDesigned for use with liquidsSpecificationsProduced to interchange with all product produced to Commercial Item Description A-A-59326DFeaturesPrecision machined to rigid tolerancesHow it worksTo make a connection, simply slide the adapter into the coupler and with normal hand pressure, press the cam levers down.Uncoupling is as quick and simple as coupling. Just lift the cam arms and remove the adapter.Safety notesUnder no circumstances should cam and groove couplings be used for compressed air or steam service!Pressure rating is based on the seal of the mating partPressure rating recommendations are based on the use of mating Dixon fittings at ambient temperature 70°F / 21°C with a standard seal installed.