Innovations Microflate Nano CO2 Inflator The Microflate Nano Tire Inflator features simple, twist-to-inflate technology that provides fast, easy, and controllable CO2 inflation Just thread a cartridge onto the CO2 bicycle tire inflator, tighten until the cartridge is pierced, press the nozzle onto the valve, then twist the cartridge to release the gas into the tire Works with all 12, 16, 20, 25 gram threaded CO2 cartridges except 45 gram The only CO2 inflator that fits inside disc and aero wheels Compatible with Presta and Schrader valves and includes one 16 gram threaded cartridge