Don't worry! you ordered more than one cylinder for exchange, you can return all of your empty cylinders in the box that came with your order. Simply affix the return label to the box and drop your empties off. You only need one label for the whole box.
Check out our Online Exchange guide below to learn more.
Sparkle Alert Regarding Coronavirus (COVID-19): If your order was placed March 1st, 2020 or later, the CO2 cylinder exchange return window has been extended to 60 days so you can refill your gas at your own schedule.