Creamright Ultra-Purewhip 24-Pack N2O Whipped Cream Chargers 8 Gram Highest Quality European Nitrous Oxide Whipped Cream Chargers Each carton contains 24 Ultra Pure whip Nitrous Oxide Cartridges- 8 grams of pure nitrous oxide per cartridge Compatible: All Standard 8 gram Nitrous Oxide Whip Cream Makers including iSi, Kayser, Mosa, Liss Produced in Europe's most modern facility by Austrian based company with decades of experience in this technology The carton of 24 cartridges is our most popular package for the home and low volume commercial user; Minimum shelf life of 5 years