Continental-20465474 F5 Blue Thermoplastic Air Hose, 1/2" ID x 50' Length Reel, 300 PSI Max Working Pressure, 1/2" Male x Male Brass NPT Fittings: Amazon.com: Industrial & Scientific
When should you use thermoplastic hoses? - Hose Assembly Tips
Thermoplastic Hose and Couplings Manufacturer | Kurt Hydraulics