240 - 16g CO2 threaded cartridges - BIKE TIRE INFLATOR KEG charger Tire or Ball inflator, Pet Convincer Refill, HVAC - will not degrade innertubes! Mr. Fizz (tm) refill, Beer keg propellant - food grade; 5+ year shelf life! Weld-sealded cadmium coated steel - no oils! Most orders ship from FL or CA the SAME business day!!!