... degree: IP68 Flame-retardant: Vo (UL94)The form of joint: Threaded connection, flange connection and the quick coupling ... insulated, chemical resistance 3. PVC sheath, adding in composition of fire resistance property, UV-resistant, aging resistance 4. Resistant ... CE, SGS, RoHS Packing: 100/50/30/25/20/10/5 meters/roll Size: 1/4", 5/16", 3/ ... 11/2", 2", 2-1/2", 3", 4" Best Selling! Flexible Metal Hose