The replacement filter set for Intex inflatable spas ensures crystal-clear and hygienic water throughout the summer. Made from highly durable Dacron fibers (PVC/PET), they effectively remove impurities and debris. They are easy to install in the special slot of the structure in just a few minutes, while for optimal performance it is recommended to clean them twice a week and replace them every 10 days. Dimensions: 11x7x11cm.