Homefio Cat Fountain Filter Is Only Compatible With Veken 95Oz/2.8L Pet Fountain. To Help Your Cat Get Into The Habit Of Drinking Water, We Need To Make Sure The Water They Drink Is Enough Fresh And Pure. So We Need To Replace The Cat Fountain Filter Regularly. How Does The Carbon Filter Work For?

Cat Filter For Water Fountain Is Made Of Non-Woven Fabric, Ion Exchange Resin And Activated Carbon. Every Part Of The Material Builds A Triple-Filtration System.? Catch Hair, Debris, And Residue

• Filter Heavy Mental, Ions, And Chlorine
• Remove Odor And Absorb Soluble Impurities. When You Replace The Filter Every 2-4 Weeks You Will See The Impurities On The Fabric Layer's Surface. So Regularly Replacing The Filter Can Maintain A Better Effect. Faqq: Is The Filter Compatible With Veken 84Oz/2.5La: No, It's Only Compatible With Their 95Oz/2.8L Pet Fountainq: How Long Should I Replace The Filter And Foam?A: 2-4 Weeks. You'd Better Replace It According To Your Pet's Drinking Frequency And The Number Of Pets Using The Fountain.