3-Pack Replacement Watts WP-5 Inline Filter Cartridge - Universal 10-inch Cartridge for WATTS PREMIER 500023 WP-5 FIVE STAGE REVERSE OSMOSIS SYSTEM - Denali Pure Brand Replacement Watts WP-5 Inline Water Filter Cartridge, Quantity: 3 Denali Pure Universal 10 inch filter for WATTS PREMIER 500023 WP-5 FIVE STAGE REVERSE OSMOSIS SYSTEM Universal 10 inch Inline filter cartridge. Improves taste and clarity while retaining beneficial nutrients by reducing chlorine, fine sediment, odor, silt, rust. Removes undesirable and possibly harmful waterborne contaminants, particles, chemicals and microorganism. Reduce water bottle waste and save money while also helping the environment by using water filters. For the highest quality water and best contaminant reduction replace the filter every 6 months. On Sale for a Limited Time!