5 pieces of Filter Unit + replacements for use with PetKit Eversweet Smart Pet Drinking Fountain generation 1 & 2.
For generation 1 users, kindly select the option to receive a free Filter Tray + that will convert your gen 1 filter to a more powerful gen 2 filter.
FILTER REPLACEMENT FREQUENCY It is recommended that you change filters every 3 months when using smart mode and every month on normal mode.
Soak new filter before use and clean filter tray as necessary.
FOAM FILTERS available separately.