Spa filter cartridge — replacement filter for spa and pool tubs Key benefits Keeps water clear and sparkling by trapping fine and micro particles that cause cloudiness. Simple, fast replacement and cleaning so you spend less time on maintenance. Built for practical, safe use — constructed from durable, safe materials for reliable performance. What it does Function: captures dirt, hair, skin oil and other small particles to maintain clean, hygienic water. Compatibility: designed as a replacement spa/pool tub filter cartridge for use in spa and pool tub filtration systems. Performance: effectively improves water clarity and helps maintain circulation and filtration efficiency. Easy maintenance Removable and easy to clean — rinse or soak as recommended to restore flow and filtration. Straightforward replacement keeps your spa or pool tub operating at peak condition with minimal effort. Typical use scenarios a worn cartridge in a home hot tub to quickly restore water clarity after regular use. Swap in a fresh filter for an aboveground pool or spa tub after heavy use or seasonal opening. Keep spare filters on hand for routine maintenance between professional cleanings. Practical, trustworthy features Designed for practical everyday use and safe handling. Simple installation and replacement to make maintenance convenient and efficient.