Kohler Cleansing Seat Homeowner's Manual page 11

Filter Screen
Clean the Filter Screen
NOTE: Clean the filter screen every 6 months or when there is a
reduction in the maximum water flow from the spray wand.
Turn off the water at the supply stop.
Flush the toilet to relieve water pressure.
Disconnect the water supply hose from the seat connection.
Using long-nosed pliers, carefully remove the filter screen from
the inlet.
Clean the filter screen with a soft-bristled brush.
Reinstall the filter screen.
CAUTION: Risk of product damage. Do not cross-thread the hose
connection to the inlet.
Reconnect the water supply hose to the inlet, one-quarter turn
past hand tight.
Turn on the water supply.
Check all connections for leaks, and make any adjustments as
needed.
Kohler Co. 11 1321454-5-A