Silicone Tubing (Non-sterile) - 3.35 x 4.65mm (id, od).  50 ft. coil

Specifications

Coil: 50 ft. Diameter (inside x outside) inches: .132 x .183; millimeters: 3.35 x 4.65. French size: 14. Standard gauge needle fits into tubing: 9(.148). Not available in Canada.