MR-4404 Gas inlet barb fitting MF-1035 1/16" (1.6mm) O.D. Teflon Tubing 5ft. MW-4560 Sparge tube assembly MW- 4145 Sparge tube for C-2 Cell Stand (includes glass-fritted tube, Oring and coupler) ER-9132 Replacement magnetic stirrer EW-4366 Replacement Gas Solenoid Assembly