Filbur FC-1978 Replacement Filter Cartridge for Clean & Clear Plus 520 Pool Filter | 125 sq. ft. | Compatible with Inground & Above Ground Pools | Improves Water Clarity & Filtration Efficiency

Maintain sparkling clean and beautifully clear water with the Filbur Replacement Filter. Made with spunbonded, 100% polyester material, this Filbur Filter is durable and effective in capturing the smallest of debris. With replacement cartridges available in a variety of sizes and built to OEM specifications, you're sure to get a reliable cartridge that fits. Use this replacement filter to replace your worn or damaged cartridge or as a back up to maximize the time between filter changes.