Note: Please rinse filter before use. Replace filter every 2-4 weeks. Keeping Health: Helps pet to increase water consumption and reduce the risk of urinary tract infections. Triple Filtration System: Composed of a cotton layer, activated carbon and an ion exchange resin. Effectively to filter hair, heavy metals ,keeps water fresh and improve the taste of the water. Value Filter Set: Pack of 10 filters, pack of 5 pre-filter sponges,1 cleaning brush. Filter and Sponges are individually sealed. Wide Compatibility: Compatible with most 84oz/2.5L Square pet fountain on market.Diameter of hollow circle is about 1.4 inch.Length of square is about 4.8 inch.

Best Sellers Rank: See Top 100 in Pet Supplies. Brand: Monsin. External Testing Certification: NSF. Duration: 4 weeks. Material: Resin. Country of Origin: China. : B091FKF3GX. Manufacturer: Monsin. Date First Available: March 31, 2021. Item model number: 002. Package Dimensions: 5.2 x 5.2 x 4.8 inches; 6.38 Ounces.