Replacement Filters for Cat Water Fountain: The cat water fountain filter is compatible with 67oz/2L pet water fountain.

Four-layer Circulation Filtration System: The cat fountain filter is made up of PP cotton layers, activated carbon, and ion exchange resin, which provide better performance. It eliminates effectively heavy metals and small suspended particles and improves the taste of the drinking water, which helps pets to drink more water and reduces the risk of urinary tract infections.

Pre-Filter Sponge: Extremely high density makes it better at filtering hair and preventing food residue from entering the pump. A clean and flowing water source will make plus attractive to your pet, and keeping enough water will make your pet healthier.

What You Get: 4 pack cat fountain filter replacement and 4 pack pre-filter sponges. Tips: Please soak the pet water fountain filter in water for 3-4 minutes and rinse it thoroughly under running water before use.

Quality Assurance: We produce and sell high quality pet fountain replacement filter that meet safety standards. If you have any questions about our pet fountain filter, please feel free to contact us, we are happy to help you.