Features: Ensures great performances for your inflatable Hot Tubs with our filter cartridges, specifically designs to fit for MSPA FD2089 inflatable hot tubs. Featured a pleated designs, the filters maintain cleanliness by effectively capturing debris, ensuring your Tubs experience remain uninterrupt. Great for Hot Tubs owners searching great filtration solution, these cartridges are perfect for maintaining the longevities and efficiency of your MSPA inflatable Tubs tub. Perfect for both residential and commercial setting, the filters cartridges provide water cleaning whether you're relaxing home or managing a Tubs facility. Our filters cartridges come with a rubber seal that ensures a secure suitable, preventing potential damage to your filter pump. Specifications: Product Dimension: Approx. Diameter 11cm/4.33inch Component: PVC Package Includes: 4PCS Hot Tubs Filters Cartridge note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.