4" NPSH Female Swivel x 4" NPT Male Pipe Adapter DMH2515 5" NYFD Male x 1

5" NYFD Male x 1

5" NST (NH) Hose x 3/4" NPT Male Hex Adapter

Amerex Non-Magnetic Stored Pressure Deionized Water Mist Fire Extinguisher

For the 5" Rubber hose

Quick Release Hydraulic Couplings

4" NPSH Female Swivel x 4" NPT Male Pipe Adapter DMH2515 5" NYFD Male x 1Change Threads From 4" NPSH Female To 4" NPT Male Pipe With An Easy Swivel Adapter This is purely a female to male adapter designed to change threads without reducing diameter. The swivel bearings make it smooth and easy to operate while a fire hose is attached to the male end. You can attach and detach the female swivel without tangling up your hose. This adapter let's you hook your fire hose into standard pipe threads. It's one of the most popular