6" NST (NH) Female Hose x 6" NPT Male Pipe Adapter FM20S25F Use this system for

Use this system for

if you drag them across the pavement/blacktop

You name it

Test Pressure - 250 psi

Snow & ice

6" NST (NH) Female Hose x 6" NPT Male Pipe Adapter FM20S25F Use this system forChange Threads From 6" NST (NH) Female To 6" NPT Male Pipe Threads This is purely a female to male adapter designed to change threads without reducing diameter. This adapter let's you hook your fire hose into standard pipe threads. It's one of the most popular and common way to change threads. Simply screw it on, and you're ready to go. Hook it into pumps, valves, hydrants, standpipes, & more. The NH NST female can fit into NH NST male. The NPT male