The best miniature kegging set up we have used. The Tap-A-Draft allows you to serve any carbonated beverage with all the benefits, and without all the expense of costly, bulky CO2 Tanks and Regulators. The Tap-A-Draft unit is a patented beverage dispensing system that uses one 16-gram CO2 cartridge regulated to 15psi to push out the carbonated beverage. The valve works in conjunction with the 6-liter and 3-liter bottles. The size of the system set up with a 6-liter bottle is 17" long with the widest point being 6.25" diameter. This size makes this perfect for most refrigerators, camping, parties, etc... The valve requires one 16g CO2 cartridge to push out 1.5 gallons of carbonated liquid in the 6-liter bottle. To serve, simply open the valve by pulling forward until beer is flowing. It is best to open the valve all the way to avoid foaming. The valve has two regulators built in that hold a constant 15 psi, to maintain a constant carbonation level. There is a built in check valve to stop the gas from going from the bottle into the valve. Also, if the pressure in the bottle ever exceeds 60psi (usually from excessive warming, or wild fermentation) the valve will open and relieve the pressure in the bottle. The valve itself is covered by a one-year warranty against any manufacturing defects. Use for serving carbonated water and for making fruit flavored soda: You can use Tap-A-Draft as a way to dispense carbonated water. We recommend using filtered water free of chlorine from a Brita or store bought distilled water. You can also use our fruit flavorings we offer to make sparkling fruit soda. Just add 2-3 cap fulls to your glass of carbonated water or go by taste. A great treat for your wife or kids.