silicone vacuum hose color: blue, red, clear materials: pure silicone high pressure silicone vacuum hose1) Thickness range: 2mm to 6mm with one to five polyester layers2) Excellent resistance to UV, water, ozone and oxygen3) Reinforcement is made of polyester or nomex4) Pressure range: 0.3 to 0.9MPa5) Size tolerance: +/-0.5mm6) Color options: blue/black/red/green/purple/yellow/orange, the ...