Pet Safety: 3.3 inch X 2.2 inch X 0.4 inch, for 2L Pet Fountain. Made from top quality cotton, premium ion exchange resin and activated carbon, it can remove chlorine, impurities and odors, catch hair and debris, and soften hard tap water to provide better quality water for Cats and Dogs.

Keep Water Lasting Fresh: Exchange resin remove magnesium and calcium in water, and it is made into pet-friendly water (soft water) whose hardness is lowered; High performance activated carbon absorbs odor

Easy To Use: Rinse the filter with water thoroughly before use, and replace it regularly (depending on the frequency of use).

6 Month Supply-Filter Provide: It can last up to 2-4 weeks to achieve the best quality of water, we suggested to replace it in time. 6 Packs of filter give you a 6 month supply.