How it works: The foldable design increases the filter area, thickens the filter membrane and has a strong pollution absorption capacity. Scope of delivery : Filters impurities to reduce residual chlorine, giving you clean, fresh water. This is a necessary part for the home summer inflated swimming pool, replacing the old one. Replacement swimming pool cleaning filter: The swimming pool filter is a practical choice to replace the old inflated pool filter which is economical and efficient, giving you almost the same service as the original filter with a lower price. Size COMPACT, EASY TO CARRY: The pool filter is compact and lightweight, convenient to use with the inflated pool together, doesn't take up much storage space, perfect for travel or limited storage space. < p> Scope of application: The upgraded version of FD2089 inflatable swimming pool filter fits all MSPA models, with push and twist bayonet fitting, which is a necessary part for the inflated swimming pool. summer household, replacing the old one. The size is measured manually, please allow the error (1-3cm). Due of the different monitor pixels, there may be color difference, please refer to the actual product. After receiving the package, if there is any dissatisfaction, please contact me first, do not leave of negative feedback easily, thank you and have a nice day. Note: The data is all manual measurement, please allow 1 - 3cm error, due to the light and display difference, there there will be some color difference, depending on the physical object received Delivery Quantity: (according to the main image)