Cream whipper and charger systems are invented by Whip-It's original manufacturing partner in Switzerland in 1950's.. Each charger is cleaned numerous times with a solvent. Each charger is filled with 8 grams of highest quality medical grade N2O and made out of 100% recyclable steel. Works with any brand cream whipper in the market. Use one charger per pint. Food grade N2O is used as a propellant for whipping cream, which dissolves in the liquid cream. | 
