Milton 1669 1/4" MNPT Twenty Five Foot ReKoil Hose 1/4" male national pipe thread 1/4" hose inside diameter Working temperature range of -40 degrees Fahrenheit to 180 degrees Fahrenheit 1/4-inch ID Assembled with re-usable full flow MNPT swivel fittings on both ends Resists abrasions Durable and strong Highest quality construction