Clarathon Spa Filter replacement for Sundance 6541-397 Pleated Outer Filter plus Microclean Inner Core Cartridge 880
This is both Outer Pleated and Inner Microclean Core used on Sundance 880 systems and others. Clarathon Premium Ultra Filters are the most effective and durable pool and hot tub spa filter cartridges available. In fact, you cannot buy a better quality filter at any price.