Coupling TypeAluminum Expansion Ring, Rocker LugColorRedThreadNST (NH)Hose Size3/4"Length100'Working Pressure800 PSISpecificationsMeets and exceeds NFPA standard 1961ConstructionOuter cover material: specially compounded red EPDM tough coverInner tube material: smooth black synthetic EPDM rubberReinforced with multiple plies of high tensile Aramid yarn providing flexible strength3/4" diameter hose is coupled with 1" threaded couplingsCoupled with female and male NST (NH) thread, rocker lug, aluminum expansion ring couplings