6540-503 Filter Adapter Compatible with Sundance Spas MicroClean Filter System 6540-501 & 6540-502, Hot Tub Filter Retainer for 780 & 850/850E Series (2002–2007)

Upgrade your spa filtration system with the 6540-503 Filter Adapter, designed specifically for Sundance Spas using the MicroClean 1 filter system. This durable adapter securely connects the top disposable filter (6540-501) with the bottom pleated filter (6540-502), creating a reliable, leak-proof seal that ensures maximum water filtration performance.Compatible with a wide range of Sundance Spa models, including the 2002–2005 850/850E Series and 2006+ 780 Series, this adapter fits models such as Altamar, Cameo, Capri, Optima, Maxxus, Marin, and more. Whether you’re replacing an old connector or upgrading your system for better flow, this filter retainer delivers long-lasting performance you can count on.Crafted from rigid, impact-resistant plastic, the 6540-503 adapter is built to withstand spa chemicals, pressure, and repeated filter changes without cracking or deforming. Installation is quick and tool-free—simply insert and twist to lock the filters together in minutes.Maintain crystal-clear water and extend the life of your spa filters with this essential component for Sundance hot tubs.

• WIDE COMPATIBILITY: Works with Sundance Spa MicroClean Filter System, fits 6540-501 (top filter) and 6540-502 (bottom filter), compatible with 2002–2005 850/850E and 2006+ 780 series hot tubs
• FITS MULTIPLE MODELS: Suitable for Altamar, Cameo, Capri, Optima, Maxxus, Marin, Certa, Hamilton, Chelsee, Camden, Caprio ST, Metro, Palermo, Bahia, Cayman, and Tango models (2002–2007)
• SECURE CONNECTION: Connects and holds dual filters in place with a leak-free seal, ensuring water flows through both cartridges for optimal filtration performance
• DURABLE & REUSABLE DESIGN: Made from high-strength ABS plastic for impact resistance and long-term use—won’t crack or deform during regular cleaning and filter changes
• QUICK INSTALLATION: Tool-free assembly—simply insert and twist to lock the filters together in minutes, saving time during spa maintenance and replacement routines
• SATISFACTION GUARANTEE: Well tested aftermarket, got 30-Day Return Policy and One Year Warranty to ensure peace of mind during use. If you got any questions, please feel free to contact us, our customer service team will answer in 24h