WC119 Cook Central Venous Long Term Cook TPN double lumen catheter set Fr 7, length 65cm, Fr 9 length $261.00. 90cm, Fr 12, 90, special. WC121 Cook Central Venous Long Term Cook TPN triple lumen catheter Fr 8, length 90cm $224.53. WC122 Cook Central Venous Long Term Cook TPN triple lumen catheter set Fr 8, length 90cm $261.00. Catheters, Epidural.