Double Tap Tower Kegerator Conversion Kit with Stainless Steel Tower (No CO2 Tank) Kegerator refrigerator conversion kit for dispensing beer from 2 kegs at the same time. Includes double tap chrome draft beer tower. US Sankey system dispenses most domestic beers. Air tank is not included. You can buy the CO2 air tank seperately. Be sure you have a fridge that's big enough to fit 2 kegs.