These tanks are made to whip product using a whipped cream dispenser and regulator attachment. Every single tank comes with a plastic valve to control launch of gas without having a regulator attachment. Tanks ought to be fully empty just before disposal. Product Features: We offer the fastest delivery service https://nangs-delivery95815.wikibuysell.com/1392499/rumored_buzz_on_3_3l_nang_canisters