Accessories As well as all of our own models of Co2 incubators, we also have a number of accessories available which are listed below: Image Name / Description Part No. 170L Double Unit Stacking Stand *Does not include incubators shown GSB-1060 170L 4-Door Option*Does not include incubator 170G-022 48L 2-Door Option*Does not include incubator 048G-022 CO2 Inlet Tubing and Clips (3m) GSB-5760 Two Stage O2 Regulator GSB-7222 Two Stage N2 Regulator GSB-7220 In Line Pressure Regulator GSB-5030 CO2 Cylinder Auto-Changeover Controller GSB-5000