What You Get?-- worry-free 12 month warranty,friendly customer service.Please contact us if you have any question. Note?-- In order to prevent the dust on the filter surface falling into drinking water, please rinse filter with water before use. And we advise you to replace the filter every 1-2 weeks, water pump also needs to be cleaned every 3 days to ensure the clean of drinking water. Guarding Pet Health?-- 10 Pack pet fountain replacement filters with separate plastic sealed package.It is used with pet water fountain to increase the drinking water for pet and helps to reduce the risk of urinary tract infections. Highly effective filter?-- Cat Fountain Filter Composed of high quality cotton layer, activated carbon and Ion Exchange Resin. High effectively to filter hair, heavy metals improve the taste of the water. Wide Compatibility?-- Cat Water Fountain Filter Compatible with most 84oz/2.5L Square pet fountain on market(Not compatible with 95oz/2.8L Veken Pet Fountain).Diameter of hollow circle is about 1.4 inch.Length of square is about 4.9 inch. please double check the size before purchg.

Brand: RBAYSALE. External Testing Certification: SGS. Item Weight: 18 Grams. Material: Plastic. Date First Available: December 3, 2020. Is Discontinued By Manufacturer: No. Best Sellers Rank: #3,334 in Pet Supplies. Customer Reviews: 4.7 out of 5 stars 2,854 ratings 4.7 out of 5 stars. Item model number: Square. : B07GF7G9V5. Manufacturer: RBAYSALE. Item Weight: 0.635 ounces. Product Dimensions: 4.92 x 4.92 x 0.51 inches.