Hammerhead compact co2 inflator the hammerhead 20 gram the most intuitive co2 inflator on the market all you have to do is twist your favorite co2 cartridge into the inflator head and at the push of a button your back on the trail in no time thats not all we have perfected the hammerhead by constructing an easy connectauto detect valve interface that automatically grips the valve when inflation starts that means no lost co2 push to inflate patented technology for fast easy controllable