TM300-5100 | ITM Air Hose 19mm(3/4in) x 100M Hybrid Polymer No Fittings Features Hybrid polymer High-Flex hose. Anti-kink technology the hose will not kink when under pressure. Superior all weather flexibility -5°C to 65°C. Hi-visibility for safety. Specifications Length: 100M Internal Diameter: 3/4 (19mm) Max working pressure: 300 PSI