Key benefits Cleaner, better-tasting water: Removes impurities and odors so your cat is more likely to drink, supporting regular hydration. Softer water for sensitive pets: Ion-exchange resin reduces hard-water minerals such as magnesium and calcium. Durable, effective filtration: Multi-stage construction captures particles, organic contaminants and taste-producing compounds for deeper cleaning and longer use between replacements. Simple maintenance: Disposable design makes replacement fast and tool-free. What it is and how it works Multi-stage filter media: PP cotton (mechanical filtration), activated carbon (adsorption of odors, chlorine and organic compounds), and ion-exchange resin (reduces water hardness). Function: Mechanical trapping of debris, chemical removal of odors and dissolved organics, and ion exchange to lower mineral hardness—resulting in cleaner, milder water for feline hydration. Compatibility and options Designed for use with cat water fountains and other pet drinking systems that accept plug-in cartridge-style filters. Available in two styles: select the style that matches your fountain model and your pet’s drinking needs. Measure your fountain or compare the existing cartridge to ensure proper fit. Performance and care Durable construction for reliable filtration throughout the cartridge life. Disposable and easy to replace—simply remove the old cartridge and install a new one; no tools required. Regular replacement keeps water quality consistent and helps maintain fountain performance. Practical use scenarios Multi-cat household: Keeps circulating fountain water cleaner between refills so multiple cats have access to better-tasting water throughout the day. Hard-water areas: Reduces magnesium and calcium that can affect taste and contribute to scale buildup in fountains and bowls. Routine maintenance: Replace an old or clogged cartridge to restore flow and filtration after long use or if you notice odors or reduced water clarity. Materials and performance highlights PP cotton for particulate capture Activated carbon for odor and organic contaminant control Ion-exchange resin for softening hard water minerals Disposable cartridge design for quick, hygienic replacement Choose the correct style for your fountain model and replace cartridges on a regular schedule to maintain optimal water quality and support your cat’s hydration and well-being.