1 halogen free, physiological safe, cadmium fee,safty hose. 2 Excellent flexibility,medium weight,smooth interior,compressible. safty flexible Aluminum hose. Material & Structure:Copper plated spring steel spiral embedded into polyurethane wall Temperature Range: - 40 °C to + 140 °C halogen free, physiological safe, cadmium fee,safty hose.High tensile and abrasion strengths and ultimate ...