Tired of running out of air? The Tornado valve increases your efficiency (on order of 2000+ shots per 20oz co2 tank). Can be used on Co2, Nitrogen or compressed air (must use regulator). Low pressure, 150-250 psi input. Manufactured of high-quality heat-treated stainless steel Lifetime warranty.
The AKA Tornado Valve is older, so while it may be available used and in a few cases new, it is not commonly available anymore.