Filled with certified Linde pure N2O. No oily residues.Silver lacquered to prevent kitchen moisture from causing rust on the top of the charger. Universal (standard 8g screw-in system) fitting - not for Push-Valve (Kisag) system or new 16g system.Filled with pure Linde N2O gas in Mosa's a state of the art factory.Weighed electronically with no-duds guarantee.Will turn 1/2 litre of whipping cream into up to 1.5litres of whipped cream! Far greater a volume than mechanical whipping. Each box of BestWhip brand nitrous oxide chargers contains fifty (50) 8 gm N2O Chargers that will fit in every whip cream dispenser we carry and that is available on the market. We ship our N2O Chargers and Whip Cream Dispensers from either our facilities in Fort Lauderdale, Florida or from San Carlos, California, depending on which ever is closer to you. This ensures fast delivery of all our nitrous oxide chargers, whip cream dispensers and soda syphons. Manufacturer : Best Whip