These cartridges contain CO2 (carbon dioxide). They are certified for a food use.
Brouette de Bières®, BP 80004, 59494 Petite-Forêt (France) - SARL company with a 9000 ¤ capital - RNCS Valenciennes 493 819 684
CNIL registration number 1194297 - Selling beer to minors is forbidden
Beer brewed carefully, to be consumed with care