iSi Professional N2O cream chargers are the preferred choice for caterers, transforming 500ml of whipping cream into 1.5 litres of perfectly whipped cream. They are also compatible with most soda siphons. Certified halal-compliant, these nitrous oxide cartridges are made with recyclable stainless steel and lead the industry by delivering up to 20% more yield. They contain pure N2O without oil residues and are fully compatible with all iSi appliances. These cartridges are suitable for use by women and men aged 18 and above, and ID verification will be required for purchase. Sales may be refused if misuse is suspected.