iSi Stainless Profi Quart Whipped Cream Dispenser plus 24 Sparkwhip iSi Chargers 1 Quart 100% Stainless Steel Cream Profi by iSi combined with 24 Pack Sparkwhip Cream Chargers by iSi Includes warranty from iSi and Chargers comply with iSi warranty requirements This Cream Whipper is compatible with all iSi accessories including injector tips, stainless and silicone tips Requires 2 N2O Chargers to propel 1 Quart Whipping Cream for a Yield of 4 Quarts Industry standard used by Starbucks and Chefs worldwide