Buy in bulk and save more per charger. Sparkwhip brand whipped cream chargers. Quality Nitrous Oxide Chargers brought to you by ISI of North America. Compatible with all standard screw-valve whipped cream dispensers. 600 chargers per case. These chargers are popular in Europe and now available from the leading Austrian charger manufacturer. Backed by a 2 year guarantee, these chargers produce long lasting fresh made whip cream every time.