- Economical Replacement: The pool filter is a practical choice to replace the old inflated pool filter, which is economical and efficient, bringing you almost the same service as the original filter with a lower price. - The pool filter is compact and lightweight, convenient to carry out with the inflated pool together, not occupying much storage space, perfect for travel or limited storage space. - The package includes 6 pool filters, which can suffice your large using volume and long using time at one time, reducing the time of purchasing filter replacement frequently. - The pool filter has good filtering function, reliable to use as a replacement, bringing you a wonderful using experience. - The upgraded version of FD2089 inflated pool filter for , push and twist bayonet fit, which is a necessary part for summer household inflated pool, replacing the old one. High filtration efficiency. Replacement hot tub filter cartridges. The filter cartridge is the key to the ultimate spa bath