Stainless Mini Keg Tap Serving System with aluminum controller Serving Tap System - Beverages will Not Go Flat PERFECT for HOME BREWERS.OR KEEPING CRAFT BREWERY BEER FRESH!!! Works on stainless 64 oz. Mini SS Keg Growler or Larger one Draft Dispensing System includes handle, hose, & regulator with aluminum controller NOT INCLUDED: 16 Gram CO2 Cartridges available at any bike shop