Green 3" x 15' Camlock / Threaded Suction Hose Threads_NH while the other knob is Model:4023 (6.0 TPI x 3.187 OD) Couplings_Brass This is the same GBA15P

while the other knob is spring loaded

Aluminum 1 inch NPSH Quarter Turn Forestry Coupling

Red vinyl pin rack fire hose cover with velcro closures

The male threaded side of this adapter will only connect to a 2 1/2 inch female National Hose (NH) or National Standard Thread (NST)

High pressure 1 1/2 inch brass combination nozzle with full rubberized bumper has the option of a straight stream or fog pattern and simple twist shutoff

Green 3" x 15' Camlock Threaded Suction Hose Threads_NH while the other knob is Model:4023 (6.0 TPI x 3.187 OD) Couplings_Brass This is the same GBA15P while the other knob is spring loaded Aluminum 1 inch NPSH Quarter Turn Forestry Coupling