DUAL ACETYLENE+TLENE HOSE 8.0/6.3mm GCE Hose designed for the flow: blue - oxygen, red - acetylene, when welding and cutting metals by combustion of technical gases. Technical data: - working temp: from -30°C to +70°C - inner layer: rubber, SBR/NR, black, smooth - reinforcement: textile - outer layer: rubber, NR/EPDM, blue and red, smooth, weather resistant