Genuine OEM Sundance® Spas factory part. Not an after market.
This is the latest filter technology from Sundance Spas.
This filter includes both the exterior pleated portion of a new 2 part MicroClean® filter and the interior.
Fits the following models:
1. 880 Series 2009+
2. 850 and 880 Series 2005-2008
Interchangeable with part number 6540-507