p>Barbieri’s 25g CO2 canisters with thread have the high quality standard screw connection (made in EU). They effortlessly inflate a bicycle inner tube or tire in one second. They are ideal for large diameter wheels (PLUS, 27.5″, 29″, fatbike). The canister is useful but we recommend always carrying the pump with you as well! Price refers to a box containing 2 canisters. Caution pressurized cartridges, avoid exposure to the sun or temperatures above 50°C. Destine only empty cartridges to waste. Contents of cartridges freeze during tire filling, use gloves./p>\np>Respect the environment. Do not discard the canister after use./p>