Ensure a lifetime of performance with this clean CO2 from Umarex. Tested and proven clean; Doesn't dirty your air gun valves. Number of rounds per capsule depends on the specific air gun.
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12-GRAM CO2 POWERLETS - Compatible with most air rifles and air pistols SNUG FIT, SOLID SEAL - For reliable and consistent performance 40-COUNT BOX - Ideal for the air gun target sport enthusiast ...