Filling Cap With Tubing and End Cap; Cap: 33mm, Threaded, Polyethylene, Tubing: 1/4 in. (6.4mm) I.D., 27 in. (70cm) Length, With Male MPC Coupling and Female MPC End Cap; USP Class VI Certified C-FLEX Tubing; Sterile; For Use With Corning CellSTACK Cultu