4-5/8" x 11-7/8" Apollo Spas Filter PA225, C-4320, FC-0640, 57010200 4-5/8" x 11-7/8" Top Open 2-1/16" Bottom Open 2-1/16" PA225, C-4320, FC-0640, 57010200
4-5/8" x 11-7/8" Grecian Spas Filter PA225, C-4320, FC-0640, 57010200 4-5/8" x 11-7/8" Top Open 2-1/16" Bottom Open 2-1/16" PA225, C-4320, FC-0640, 57010200