Bought on Walmart
How to get $15 OFF your first refill
Step 1: Join the Refill Club
Join the CO2 Refill Club by checking out with FREE CO2 refill supplies below.
Step 2: Box up & mail empties
Place 2 empty canisters in provided CO2 Refill Box and attach our pre-paid shipping label. Reminder, we always refill 2 CO2 canisters at a time. Then simply mail the box to us via USPS.
Step 3: Get 2 new full canisters
Once USPS scans your CO2 Refill Box we automatically send you 2 full Canisters that same day and email you your $15 promo code!