Nylon Tubing: Excellent resistance to chemicals, oils, solvents, gasoline, hydraulic fluids, salt solutions, and bases. Temperature range is - 60° to + 200 ° F. High abrasion and heat resistance. Tubing is measured in O.D. vs hose in I.D. NOT approved for food grade use. Available in black or natural semi-clear. (1000' coils in some sizes as shown).