iSi North America 058299 Sparkwhip 24 Pack Cream Whipper Charger, Silver Made in Austria of 100% recyclable steel and distributed by iSi North America Chargers are individually weighed electronically to ensure a consistent level of gas in each Spark whip chargers are designed to fit and be used in all whipper brands on the market 5 year guarantee of chargers - proprietary capping/closure system guarantees no gas leakage for the shelf life of the product HACCP certified to ensure the highest food grade quality - chargers are cleaned in a proprietary to remove all traced of industrial oil