A Replica of the Apollo Lithium Hydroxide Canister (reference from Apollo 13 film).
Info:
The lithium hydroxide canister was designed to maintain a pure-oxygen environment within the Apollo spacecraft by filtering out carbon dioxide, odors, and debris. The LiOH within the canister absorbed carbon dioxide, and carbon in the form of charcoal eliminated odors.
Original size:
7.25″ x 7.25″ x 5.25″