6" NPT Male Pipe x 6" NPT Male Pipe Adapter DMH1515 you can choose any of

you can choose any of the used or scrap fire hoses in the 3" diameter or 4" diameter weighing approx 45-50 pounds

GHT (Garden Hose Thread)

water transfer

Note: this is just a graphic illustration

Quick Release Hydraulic Couplings

6" NPT Male Pipe x 6" NPT Male Pipe Adapter DMH1515 you can choose any ofChange Threads From 6" NPT Pipe To 6" NPT Pipe Hex Simply screw it on, and you're ready to go. The NPT side of adapter can hook into IPT, NPT, ,NPSH, and PVC threads. Specifications 6" NPT Male x 6" NPT Male Full Brass NPT National Pipe Tapered More About Double Male Adapters A pipe fitting adapter is used to connect straight pipe or hose sections, to adapt to different sizes or shapes, and for other purposes. Pipe nipple is a length of straight pipe