A threaded CO2 cartridge is a small, pressurized container filled with carbon dioxide gas. The cartridge is designed to be threaded into a carbonation device, such as a soda siphon or whipped cream dispenser, to release CO2 into a liquid.
https://www.rotasswhip.com/16g....-threaded-co2-cartri

For food businesses, efficiency and consistency are critical to success. N2O whipped cream chargers and cylinders offer a perfect blend of these qualities, providing an edge in competitive markets.
https://www.rotasswhip.com/n2o-cylinders