| Unicel FS2004 48 Sq. Ft. Complete DE Filter Grid Set (7 full, 1 partial) - 16.7 Your home spa is supposed to swaddle you in total comfort. However, it's hard to get into zen-mode when the filter doesn't keep your personal paradise crystal clear. The Unicel Replacement D.E. Filter Cartridge is the ultimate tool to take its place. more | | $192.99 FREE shipping go to store |