Keep your spa water clean and clear to enjoy it for as long as possible. Filtration efficiency: The filter cartridges in the set are specially designed to ensure excellent filtration of spa water. They effectively capture impurities, dirt, and particles, ensuring clean, clear water for an enjoyable spa experience. Ease of maintenance: The set of 6 spa filter cartridges is practical for maintenance. Cartridges are easy to remove and replace, simplifying the process of cleaning and maintaining your spa filtration system. It is recommended to clean the cartridges regularly to optimize their effectiveness. Economy pack: With this set of 6 filter cartridges, you benefit from excellent value for money. You have a sufficient supply of cartridges for a certain period of time, saving you from having to purchase them frequently. This also allows you to maintain the filtration quality of your spa without interruption. Dimensions: Filters: 10.6 x H 6.7 cm Materials: Structure: plastic; Ply: non-woven fabric for optimal filtration Color: Structure: gray; Folds: white Warranty: 2 years