Cat/Pet Fountain Filters, 4/8 Pieces Set Pack Replacement Filter Fit For 81oz/2.4L Water Dispenser 3 Filtration System

Wide Compatibility: Compatible with most 81oz/2.4L round pet fountain on market. Diameter of hollow circle is about 1.4 inch.Diameter of outer circle is about 5 inch.(Not for catit fountain). Value Filter Set: Pack of 8 filters, pack of 4 pre-filter sponges, Filter and Sponges are individually sealed. Triple Filtration System: Composed of a non-woven fabric layer, activated carbon and an ion exchange resin. Effectively filters hair and heavy metals, keeps water fresh and improves the taste of the water. Keeping Health: Helps pet to increase water consumption. Note: Please rinse filter before use. Replace filter every 2-4 weeks.