Nitrogen creates a velvety creamy texture and a long lasting foamy head for brews and cocktails. This Nitro Whip from iSi allows you to dispense fresh for every serving and the iSi designed closed system allows the brew to remain unchanged for several days in refrigeration. The dispensing process is simple: just fill the Nitro Whip, charge with one iSi Nitro Charger, shake, and dispense. Watch the engaging swirl and cascade, as the foamy head develops right before your eyes.Model #: 1790 01 For Infusing Nitrogen Gas Into Liquid, For The Preparation Of Nitro Coffee, Tea And Cocktails Brushed Stainless Steel With Brown Silicone Grip 6063589