Kohler K-5402T-0 Homeowner's Manual page 60

D. Exchange Deodorizer Block
Please replace deodorizer block when poor deodorizing performance or strange smell occurres.
Deodorizer block exchange steps:
Remove deodorizer screen and deodorizer block.
After exchange deodorizer block, re-install back to the toilet.
Deodorizer block bracket
Note：
When take deodorizer block off, please do not insert finger or other objects
into deodorizer block cavity to prevent fan or other parts damage.
1302892-T01-B
Deodorizer block
60
Screen
Kohler Co.