Unicel # 8326 Replacement Filter for Sundance Spa # 6540-488.
Can be used in place of any Micro Clean filter.

Size 8 1/2"D x 19"H , One Hole 2.5", One nub w hole opposite end,
125 sq. ft
Double Sided Unicel # C8326 or Filbur FC 2780
Fits:
(2000-2001) Caprio,
(2003-2005) Bahia, Cayman, Lagunas,Palermo