The store only sells genuine products. Although the products sold by other sellers under our name are inexpensive, they are all fakes. It has nothing to do with our store. Customers are advised to read the name of the store to purchase the correct products. Material: plastic; size: about 110x88mm. Cartridges can be easily cleaned and reused thanks to their blend of high quality materials The pool filter element helps remove dirt and provides you with clean, clear water. 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. Pcakage: a pack of 2 premium filter cartridges