Efficient pre-filtration - The two-piece Tub First Filter removes soap, oil, and suspended particles before they reach your main filter, reducing the need for extra cleaners and improving water quality. User-friendly design - Designed to fit seamlessly into your skimmer basket, this filter features a simple locking mechanism for easy installation and hassle-free maintenance for spa owners. Easy to clean and maintain - For best performance, clean the filter weekly and replace every three months depending on usage, so you can enjoy a cleaner spa experience with minimal effort. Wide compatibility - This filter replacement is compatible with a range of spa brands, including Maax and Cooperage, making it suitable for multiple spa models. Practical applications - After spa sessions with lotions or beauty products: The Tub First Filter pre-filters residues to protect the main filter and extend filter life. - Regular home spa maintenance: Simple weekly cleaning and a quarterly replacement schedule help keep water clear with less effort. - Upgrading or replacing for Maax or Cooperage spas: Quick compatibility reduces downtime and simplifies maintenance.