Extreme all weather flexibility, even in sub zero temperatures! (-40 to 150 F). Kink resistant under pressure. No memory, lays flat. Excellent abrasion-resistant outer cover. Flexzilla Hi-Vis color makes hose more visible in workplace. 3/8" male NPT ends Flexzilla Air Hose offer superior flexibility for tight radius bends in both cold and warm environments. Engineered polymer-blend material permits use in environments where general purpose PVC and rubber hoses may become stiff.