Plastair HoseKoil PU425-1-3-AMZ 1/4-Inch x 25-Foot Polyurethane Lead Safe Ultra-Light Recoil Air Hose, Blue Quality Construction fittings Equipped with 1/4-inch npt swivel and rigid fitting. This product has 160 working PSI (with a 3:1 safety burst ratio). HoseKoil extends and retracts to its original compact form giving it ultimate recoil memory. Extremely lightweight and compact for easy and convenient storage. HoseKoil will not kink or tangle and storing it is effortless, unlike straight conventional air hose. Made with virgin-grade polyurethane, it remains flexible in all weather conditions.