This uses water and a gasoline pump to test 1-4 hoses at a time (such as 3/4" to 4" fire hoses). HTWG offers up to 450psi test pressure & 10gpm for fast filling of lines. Inlet 2-1/2" Swivel NH/NST, outlets 4x1-1/2" NH/NST with independent ball valves. Refer to our Fire Adapters Section D to get to BAT, NPSH, NPT, and other inlet or outlet threads (N9604- series). Can also be converted to a pressure washer.