The CO2 cartridge may be small but it is certainly mighty. The thumb-sized apparatus can deliver a good whack of gas in just a few seconds and be a serious life-saver in sticky situations. After all, ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. This is one of those ...

For those who use these little cartridges, you know how quickly the price can add up. [steve] takes us through the process of adding a valve to a spent cartridge so it can be refilled. Over all, it ...

CO2 inflators are great. Rather than laboriously hand-pumping a tire, you stick an inflator on the valve, squeeze a trigger, and before you can say, I once saw a guy on the Tonight Show blow up a hot ...

Light and inconspicuous way to carry extra cartridges, but seems a bit unnecessary and doesn't fit well on extra-large-diameter frame tubes Genuine Innovations' Cartridge Cross conveniently stores up ...

I tend to go through a lot of cans of air duster when cleaning computers, optical media, etc. The cheapest I can find are the Fellowes 'Air Duster' (1,1,1,2-Tetraflouroethane) for about $5 at Wal-Mart ...