Kohler K-4108 Guide Du Propriétaire page 12

Housing
Replacing the Deodorizer
NOTE: The deodorizer should be replaced every two years or when
its performance decreases.
Carefully remove the deodorizer housing from the seat.
Remove the deodorizer block from the housing.
Insert the new deodorizer block in the housing.
Reinstall the housing into the seat.
1194356-5-E
Deodorizer Block
12 Kohler Co.