Uxcell a15121600ux0986 5 mm x7 mm Silicone Vacuum Food Grade Tube Beer Air Pump Hose Pipe, 3 m, Metal, 0.2" Product name: silicone tubing; material: silicone; hardness(shore a): 60 Maximum temperature: 200c(392f); minimum temperature: -60c(-76f); internal diameter: 5mm(0. 2 inch External diameter: 7mm(0. 27"); wall thickness: 1mm(0. 04") Total length: 3 meter/10Ft. ; main color: translucent Net weight: 80G; package content: 1 x silicone tubing