ZYfire Fire Hose - 2" ID Single Jacket EPDM Fire Hose Firefighter Hose with M × F NST/NH Aluminum Couplings White Industrial Hose Lightweight Lay Flat Water Hose for Use in Firefighting-U.S. Warehouse" The package you received includes: 2" ID single jacket EPDM fire hose and M F NST NH aluminum couplings. The hose length options we offer you are: 25 FT ,50 FT and 100FT. 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 aluminum, which is corrosion resistant, strong, durable, and drop resistant. The jacket of the firefighter hose is