The filter for filling hot Tubs can effectively maintain the environment, providing you with water environment Enjoy a relaxing or provide service at hotels, resorts, and fitness clubs with these replacement The filter can effectively filter soap, lotion, oil and other sundries, which can effectively extend the service life of the filter Simply place the bath Tubs water filter flat on the bottom of the basket or compartment, it is recommended to rinse the filter once a week, preferably replace it every 3 months The hot Tubs fit for Maax, LA Spas