Pet Fountain Filters, Carbon Replacement Filter for Cat and Dog Water Fountain-4 Packs

I feel better knowing my pets are getting constant fresh water. If you keep the pad in too long it will smell like fish tank. Please change it often for your pets.

Perfect replacement for my cats water fountain.

Perfect fit and works good

easy to use cats love it!

Awesome price for 8 pack

Good

Filter fits perfectly. Cheaper yet works.

great value for the price! I think they work just fine!

These are sturdy, keep the water clean, last a few weeks.

These filters are definitely not the Brita filters of cat water drinking fountains. They need to be check often as at least 1 or 2 of the [square] corners will turn green or greenish-brownish, as it says within 2 weeks after replacing. Also, the the pump after 7-8 mos started only coming out one side of the flower feature. It gives special instructions for unclogging or restoring the pumping spout function--the instructions work, but once Ive had the problem, I feel the need to check on that as well. If my 3 kitties didnt love it so much, I would have returned it!! Way too much maintenance...I may get another one from another brand.