Umarex USA Walther CO2 capsules are incredibly clean and do not clog up or dirty the valves on your air guns. There are 12 CO2 capsules in a pack, and the amount of rounds for each capsule are dependent on the type of airgun you own.

Features:Walther CO2 capsules are incredibly clean and do not clog up or dirty the valves on your air guns;There are 12 CO2 capsules in a pack, and the amount of rounds for each capsule are dependent on the type of airgun you own