You can re-use the deodorizer by removing odors from the deodorizer.
Pull out the upper fridge drawer.
Unscrew the screw on the deodorizer.
Press on the hooks on the deodorizer and remove it.
Dry the deodorizer using a hair dryer or leave it in the sunlight to dry.
A natural palm wood powder is used for the deodorizer to increase deodorizing performance. Even if it falls off, it is not harmful. Wipe it off with a towel or cloth.
Do not wash the deodorizer with water.