[Mspa Hot Tub Filter Cartridge] Dimensions: 11.5 x 8.6 cm, suitable for MSPA brand spa models, Toscana only, Camaro compatible, Silver Cloud compatible, Tekapo compatible, Mono compatible, Reve compatible, Baikal, Lite Nest, and Star Aurora compatible. [Mspa Spa Accessory] Effectively removes dirt from swimming pools and hot tubs, keeping the water clean and reducing water changes. [Impurity Removal]: The hot tub filter is made of easy-to-clean and durable polyester paper. Dirt washes away easily. The MSpa filter cartridge prevents secondary contamination. [Easy to Clean]: Simply remove the filter from the pump and rinse away the dirt with a garden hose. Be gentle and avoid using a high-pressure sprayer, as this may damage the filter paper. [Easy Replacement] Replace with a new filter cartridge every two weeks for best results. The convenient snap-on closure allows for easy replacement by simply snapping it onto the filter holder.