Ensure your pets enjoy fresh and clean water with this high-performance Cat Water Fountain Filter, crafted from premium cotton, activated carbon, and resin for effective filtration. Designed to efficiently remove hair, debris, dirt, and other impurities, this filter helps maintain a healthy and hygienic water source for your cats and dogs. Key Features: · Premium Filtration Materials: Made from high-quality cotton, coconut shell activated carbon, and resin, providing superior absorption and filtration performance. · Enhanced Activated Carbon: The coconut shell activated carbon contains more pores for faster absorption and greater durability compared to ordinary active carbon, ensuring longer-lasting freshness. · Ideal Dimensions: Measuring 12.5cm (4.92 inches) per side with a center circle diameter of 3.3cm (1.3 inches), this filter fits most square pet water fountains perfectly. · Broad Compatibility: Suitable for a wide range of square pet water fountains, delivering consistently clean and fresh water to keep your pets hydrated and healthy. · Easy Maintenance: For optimal performance, wash the filter before initial use and replace it every 2-4 weeks to maintain water quality and safeguard your pet’s health. Specifications: · Color: White · Material: Cotton, Activated Carbon, Resin · Product Size: 12.5 x 12.5 x 0.5 cm (4.92 x 4.92 x 0.01 inches) per filter · Product Weight: 13g (0.45oz) per filter Package Includes: · 4 x Cat Water Fountain Filters Keep your pet’s water fresh and pure with this reliable and easy-to-use water fountain filter, designed to provide superior filtration and promote better hydration for your beloved cats and dogs.