Cat Water Fountain Filters for Stainless Steel Adjustable Water Flow Pet Fountain, 4 Pack Pet Replacement Filters with 4 Sponges

Triple Filtration System: Composed of a cotton layer, activated carbon. Effectively to filter hair, heavy metals,keeps water fresh and improve the taste of the water. Note: Please rinse filter before use. Replace filter every 2-4 weeks. 【Cat Water Fountain Filters】Cotton layer and activated carbon forming a three-layer filtration system.They can filter hair,particle,heavy metals, and improve the taste of the drinking water. 【Recommendations】Please soak the filter in water for 2 minutes and rinse it thoroughly under running water before use and change the filter every 2-4 FILTER MATERIAL: The pet fountain filters is composed of high-quality activated carbon and exchange resin to form a three-layer filtration system, they can filter hair and, odors, soften water and achieve good purification performance.