Ultra PureWhip 8 gram Whip Cream Chargers- Pack of 50 N2O Chargers 8 Gram Highest Quality European Nitrous Oxide Whipped Cream Chargers Each carton contains 50 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 50 cartridges per carton, this is a popular size for kitchen enthusiasts, high volume restaurants &coffee bars; Minimum shelf life of 5 years