How long can you wait? Two days? Buy now. Two months? Track the price and see what happens.
Charge the iSi cream whippers with this 10 count cream charger set from iSi. Specifically designged for iSi cream whippers, they are constructed from recyclable steel. Each bottle contains eight grams of nitrous-oxide and one charge per bottle fill. The chargers are leak proof and have no expiration date, making them easy to keep on hand at all times.