Product Description: Refill service for all brands of CO2 cylinders with 425g of Food-Grade CO2. This high-purity (99.5%) gas is a safe food additive, primarily used for carbonating soft drinks and sparkling water.

How to Order: After completing your order, we will send you a drop-off code to deposit your empty cylinder at any Redbox locker. Once refilled, we will ship it back to you via Redbox.