Mspa Jacuzzi Cart Cartridge: Dimensions: 10.6 x 6.7cm (4.2" x 2.6") for Spa MSPA models, for Tuscany only, for Camaro, for Silver Cloud, for Tekapo, for Mono, for Available at Reve, Baikal, Lite Nest and Star Aurora. Mspa Spa Accessories: Effectively remove grime from swimming pools and hot tubs, keeping water clean with less water changes. Impurity removal: The massage pool filter is made of polyester paper, which is easy to clean and durable. Dirt is easily washed away. MSpa cartridges prevent secondary contamination. EASY TO CLEAN: Just remove the filter from the pump and rinse off the dirt with a garden hose. Be careful not to rough clean or use a high pressure water jet as this may damage the filter paper.Easy to replace: Replace with a new filter every two weeks for best results. Thanks to the practical soundproof cover, it can be easily replaced by placing it on the filter holder.