Replacement Liquagen LIQUA 505 Polypropylene Sediment Filter - Universal 10-inch 5-Micron Cartridge for LiquaGen 6-STAGE AQUARIUM REEF REVERSE OSMOSIS SYSTEM - Denali Pure Brand Replacement Liquagen LIQUA 505 Polypropylene Sediment Water Filter Denali Pure Universal 10 inch filter for LiquaGen 6-STAGE AQUARIUM REEF REVERSE OSMOSIS WATER FILTER SYSTEM Coconut shell carbon, universal 10 inch activated carbon block filter. Improves taste and clarity while retaining beneficial nutrients by reducing chlorine, fine sediment, odor, silt, rust. High efficiency and high dirt holding capacity for longer filtration and fewer replacements. Sediment filter works well together with a carbon block filter or granular carbon filter to get the best water quality. 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!