Cat Fountain Filter Replacement Set 20 Pcs, Compatible with 84oz/2.5L Square Fountain,12 Filter 6 Sponge 2 Brush Included

【PERFECT MATCH & FIT!】4.87" in length with a bore diameter of 1.34". Our cat water fountain filter (square) is designed compatible with square 84oz/2.5L cat water fountain and other fountains with same volume and style (NOT FOR 95 OZ OR OTHER MODEL). Filter size: whole diameter is 4.87" and center diameter is 1.34". 【PREMIUM QUALITY】Constructed out of high density PP Fiber, this filter can stay strong under running water. Natural coco made Activated Carbon and high activity Ion-exchange Resin can purify water to a new level. Every filter is well sealed in bag. 【HEALTH BENEFICIAL】Activated Carbon absorbs chlorine and dust to make water clean and tasty; Ion-exchange Resin removes calcium and magnesium ions, softening water to protect pets' urinary system. 【LONG LIFETIME & AFFORDABLE】It is recommend to replace the filter every 1 or 2 weeks varying from actual use condition. 12 filters can offer clean water for a period of 3 to 6 months. Before put in use, filter should be rinsed under running water to flush out additional carbon powder. It is always a good habit to clean the fountain and pump with cleaning brushes included when needed. 【SUPPORT】 If you find any problem with filter caused by non-artificial reason, please contact us soon for support, like replacement, instruction and so on.