Compatible：The cat water fountain filters Compatible with round stainless steel pet fountain.

includes pack cat fountain replacement filters.

Filter：Each cat water fountain filters contains cotton layer, activated carbon, and ion exchange resin.Filter hair and residue,remove odors and soften water, getting better water tasting.

Use：Soak the pet water fountain replacement filter in water for two minutes before using it for the first time.

Frequency：According to your pets drinking frequency and the number of pets using the cat fountain, please replace the filter every weeks.

Replacement Filters for Cat Water Fountain: The cat water fountain filter is compatible with pet water fountain.

Four-layer Circulation Filtration System: The cat fountain filter is made up of 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 attractive to your pet, and keeping enough water will make your pet healthier.