Metal Flexible Hose, Liquid-tight Flexible Conduits, Flexible Metal Hose, Machine pipe.Piping 1/4"-4" IP68 CE, RoHS, SGS Liquid-tight Flexible Conduits with S.S ... resistance.3.PVC sheath, adding in composition of fire resistance property, uv-resistant,, aging resistance4. resistant to temperature chips5.Electromagnetic screen, explosion-resistance ...