- Diameter: 5 1/8-inch; length: 10 1/4-inch
- Top end cap: open, 1 15/16-inch inner diameter; bottom end cap: open, 1 15/16-inch inner diameter
- Pleat count: 157; filter media: 3-ounce reemay 2033; filter area: 30 square feet
- Get more efficient filtration and better water clarity with Unicel filters
- Longer time between cleanings; meets oem specifications
30 Square Foot Hot Springs Spas/Watkins Mfg. (Model FH/IH (220 volt)). Replacement for: Hot Springs Spas 31233
*Please note: If Unicel brand is unavailable, a different brand equivalent will be shipped.