Description: Brand new and high quality. Dual-Action filters: Ion Exchange Resin & Active Carbon. Remove impurities and odor, gives fresher and better tasting filter water for your pets. Rinse the filter with water thoroughly before use, replace it every 2 to 4 weeks to maintain water freshness. Pack of 4 filters. Specification: Material: cotton + active carbon Size(LWH): Approx. 12.5x12.5x0.6cm / 4.92x4.92x0.24inch Package Includes: 4 Pieces Pet Fountain Filters Note: Since the size above is measured by hand, the size of the actual item could be slightly different from the size above. Due to the lighting effects, monitor settings, etc. There could be some slight difference in the color tone of the pictures and the actual item
