1. Value Pack Each package contains 12 filter cartridges specifically designed for the PiXi pet water fountain, measuring 8.5 x 8.5 cm. This capacity packaging is costeffective and ensures a longlasting supply of filters, reducing the hassle of frequent purchases. By regularly replacing the PiXi water fountain filter, you can provide your beloved pets with clean and healthy drinking water. 2. Triple Filtration: The pet drinking filter utilizes precision layered filtration technology to purify water step by step, ensuring the safety and purity of your pet's drinking water. The first layer consists of density microporous filter cotton, effectively trapping pet hair, dust, and other large impurities. The second layer uses ion exchange resin, which softens water quality by removing calcium and magnesium ions, improving taste and reducing the risk of stones. The third layer is made of coconut shellactivated carbon, featuring strong adsorption capabilities to eliminate odors and harmful substances, making the water fresher and more delicious. 3. Purified Water Quality: This cat water fountain filter is designed to effectively filter out potential contaminants such as residual chlorine, heavy metals, and tiny particles in the water. At the same time, the PiXi filter has an watersoftening function, significantly reducing calcium and magnesium ion levels, thereby lowering the risk of urinary stones in pets caused by longterm consumption of hard water. Both cats and dogs can enjoy safer and more soothing water, promoting their overall health. 4. Easy Installation The installation process for this cat fountain filter is extremely simple. Just place the convex side facing up and the flat side facing down gently into the water dispenser to complete the installation. Additionally, its unique detachable structure makes cleaning effortless—users can easily disassemble and clean it or check the filter's status anytime to ensure filtration performance. Regularly replacing the filter extends the lifespan of the water fountain and delivers quality drinking water for pets continuously.