A garbage compactor (or trash compactor) was a chamber used to store and compress refuse. The walls would come together and compress and crush the garbage. The doors to the compactors were usually magsealed. The garbage compactor that Luke Skywalker, Han Solo, Chewbacca, and Princess Leia fell into aboard the Death Star I, Garbage Compactor 3263827, was under the category of recyclable waste. They were attacked by a dianoga, which were known to live in garbage compactors. Luke was almost killed when the dianoga took him underwater.