Female NPSM x 1/2 in.
ID, 50ft. 1/2" x 50' Green EPDM Rubber Air Hose, 300 PSI, 1/2" FNPSM x FNPSM Range -40 to 210 Degrees F, Tube Material EPDM, Cover Material EPDM, Spiral Synthetic Yarn Reinforcement length, 1/2 in. Green Multipurpose Rubber Air Hose, 300 PSI, Coupled Assembly, 1/2 in.