ZYfire Fire Hose - 2" ID Single Jacket TPU Fire Hose Industrial Hose Firefighter Hose with M × F NST/NH Brass Couplings Lightweight Lay Flat Water Hose for Use in Firefighting, Residential-U.S. Warehouse" The package you received includes: 2" ID single jacket TPU fire hose and M F NST NH brass couplings. The hose length options we offer you are: 25 FT, 50 FT, and 100 FT. One end of the fire hydrant hose is a 2" National Standard Thread (NST NH) female coupling, and the other end is a 2" NST NH male coupling. These couplings are made of brass, which is corrosion resistant, high temperature ductile, and low magnetic permeability. The jacket of the