Gtech Multi K9 ATF037 Operating Manual page 10

Replacing the scented cartridges
You can buy more scented cartridges from
your local distributor.
Remove the old scented cartridge by pulling
it out from the housing at the top of the filter.
10
Remove a scented cartridge from the bag
then slide the plastic sleeve off.
Please refer to page 11 for scented
cartridge health warnings.
Place the new scented cartridge into the top
of the filter.
Never operate the Multi K9 without the
scented cartridge fitted.