It utilizes 20-25 gram Co2 canisters to operate and comes with 4 cartridges.
. Co2 Air Jack;100% Stainless steel;Over 2' of adjustable lift height;Large base for use in soft dirt or sand;Co2 Regulator controls flow and lift speed in both lift and release;Weighs 5.6 lbs;Can be mounted to roll cage with quick release fire extinguisher style mount;Includes: Large base, 4 round top, velcro holster to hold regulator and Co2 cartridges, quick release roll cage mount;California Residents:WARNING Pro Eagle Phoenix CO2 Air Jack - AJX1 Brushed stainless steel construction makes it look great and will last many many years. It is supplied with a bag to carry the jack and accessories.