· Size: 8x12mm(I.D.xO.D.); Length: 1m/3.28'· Color: Black; Operating Temperature: -76°F to +428°F; Hardness: 65 Degree· Silicone Rubber Tubing - will withstand repeated use and for visual inspection of fluids.· Please Note : If you buy 2pcs, you will get two 1-meter-long silicone tubes, not one 2-meter-long silicone tube· Multi-purpose: Transferring liquid and gas, such as liquid handling, pumps, siphoning, drain, and water&air hose for aquarium etc..