6540-503 Spas Adapter for Sundance Microclean Filter 6540-501 & 6540-502 Features: Great Compatibility: The adapter fits for Sundance Microclean 1 System hot tub. Compatible with Altamar 2002-2005, Bahia 2006, Cayman 2006, Camden 2007+, Certa 2007+, Cameo 2002-2004, Capri 2002-2005, Caprio ST 2002-2006, Chelsee 2007+, Hamilton 2007+, Marin 2002-2005, Maxxus 2002-2004, Metro 2004-2007, Optima 2002-2004, Palermo 2006, Tango 2002-2003 Secure Connection: The 6540-503 holds the bottom pleated filter 6540-502 to the top disposable filter 6540-501 together. Ensure that two filters are properly aligned and sealed .
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