Red 2 1/2" x 50' Rubber Hose (Alum NH Couplings) Male Size_3 Inch The most common size and

The most common size and threads for US fire hydrants is 2 1/2 inch NH / NST

Interior firefighting

When measuring

Aluminum 1 1/2 inch National Pipe Tapered (NPT) Quarter Turn Forestry Coupling

These kits are used when the threaded plugs or debris covers go missing and the brass female swivel fittings the plugs thread into also "disappear"

Red 2 1/2" x 50' Rubber Hose (Alum NH Couplings) Male Size_3 Inch The most common size andOur rubber covered lay flat hose is a synthetic, single jacket hose with a nitrile PVC rubber lining and cover. The outside jacket offers superior resistance to acids, alkalis, oils, gasoline and ozone. Meets NFPA 1961 standards. All weather performance from 35 F to 118 F. Applications Municipal Fire Departments De contamination Wash Down Fire Rescue Chemical Fire Protection Shipboard Firefighting Heavy Duty Industrial Use Test Ratings (Water Only