Fits 8L Angled Sidearm Spinner Flasks. Sidearm fittings for used for a variety of functions in angled sidearm Spinner Flasks during cell culture. Dual 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 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 (1/4 Fits 8L Angled Sidearm Spinner Flasks. Sidearm fittings for used for a variety of functions in angled sidearm Spinner Flasks during cell culture. Dual 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 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 (1/4