Canister

Canister may refer to:

Absorbent canister of a rebreather
Canister in the carbon dioxide scrubber of a rebreather
Bear canister, or bear-resistant food storage container, used in the wilderness
Canister shot, a type of artillery round used in warfare as anti-personnel ammunition
Film canister, used to contain 35 mm film in cameras
Gas containers used for riot control agents, such as tear gas or pepper spray
Gas mask canister, a circular chemical cartridge that is part of a gas mask
Water canister

See also