Fits 3L Angled Sidearm Spinner Flasks. Sidearm fittings for used for a variety of functions in angled sidearm Spinner Flasks during cell culture. Combination angled sidearm fittings provide a convenient way of transferring media into or out of flasks aseptically. They can also be used to sparge the cell culture medium directly, or the headspace above the cell culture medium, with gases to enhance cell production. The fittings are comprised of a PET insert with a fluorocarbon O-ring and a polypropylene-sealing cap. Two 316 stainless steel tubes extend to the bottom of the flask; the third is a shorter 6” length. 1/8