If you're wanting to give your portable air compressor a solid upgrade, see the parts list below. This list is in order of air flow and will give you everything you need for a Prevost upgrade:
Outlet: PREVOST EURO HIGH FLOW S1 MALE COUPLER
Plug for hose inlet: PREVOST 3/8" EURO HIGH FLOW FEMALE THREADED PLUG
Hose : PREVOST 50' AIR HOSE 3/8 INLET
Hose Outlet PREVOST EURO HIGH FLOW S1 FEMALE COUPLER
OR get the awesome fluid swivel version: PREVOST 360 DEGREE EURO HIGH FLOW S1 SWIVELING COUPLER
Plugs for your accessories and tools: PREVOST 1/4" EURO HIGH FLOW MALE THREADED PLUG
Hangar for your hose: PREVOST HOSE HOLDER PLA HR