Space Shuttle Lithium Hydroxide (LiOH) Filter Canister Locker Prototype, measuring 21″ x 13″x 7″, marked on one side, "V627-336541-002," with Rockwell International and NASA labels affixed on the bottom. The stowage assembly provides storage for three LiOH filter canisters, with spring-loaded retention mechanisms. It contains two LiOH canister mockups, crafted from metal and wood, each of which measures 6.5″ in diameter by 11.25″ tall. Both have stamped part numbers and NASA tags applied on top. In fine condition.
On the habitable section of the space shuttle, lithium hydroxide (LiOH) canisters served as the primary means of scrubbing carbon dioxide (CO2) from the cabin environment. The filters became depleted over time and had to be replaced, so an easily accessible means of storage for spare canisters was necessary. This style of stowage locker, situated on the Shuttle's middeck, proved to be an effective solution.
