Male NPT Brass Fittings, Temp.. Yellow Multipurpose Rubber Air Hose, 300 PSI, Coupled Assembly, 1/2 in. 1/2" x 75' Yellow EPDM Rubber Air Hose, 300 PSI, 1/2" MNPT x MNPT Range -40 to 210 Degrees F, Tube Material EPDM, Cover Material EPDM, Spiral Synthetic Yarn Reinforcement length, 1/2 in.