product description: 1. Required in all filter out pumps to clear out all debris to maintain pool water clean 2. Replace cartridge each two weeks 3. For use in Lay Z Spa filter out pumps. 4. fantastic filter for handy seasonal upkeep Filter cartridge is straightforward to replace. -Product Dimensions 10 -Item mannequin quantity 58094 Compatible With: Filter Cartridge II is to be utilized in Lay Z Spa filter pump. Package Include: 1 or 2pcs Hot Tub Filter Note:Due to the sunshine and display screen setting difference, the item's shade may be slightly different from the pictures. Please enable slight measurement contrast thanks to diverse manual measurement.