General description This set of 4 replacement filter cartridges is designed for Whirlpool MSPAs, hot spas, and other inflatable pools. It is compatible with various models from 2020 and offers efficient water filtration to remove impurities. Technical specifications Dimensions: Diameter: 11 x 8 cm Surface area: 4,000 cm² Number of fins: 90 Compatibility and accessories Compatible with all Mspa models Compatible with the following inflatable pools: Delight, Premium, Elite, Aurora, Mont Blanc, Mono, Alpine, Camaro, Nest, Soho, Baikal, Starry, Bliss, Silver, and Cloud Installation Installed in the filter pump Usage Captures dust as water passes through the filter system Prevents dust from entering the pump and heater, extending their lifespan