Unicel 4CH-940 Replacement Filter Cartridge for 40 Square Foot Top Load, Dimension One Spas
- Diameter: 4 5/8-inch; length: 15-inch
- Top end cap: semi-circular handle, 0-inch inner diameter; bottom end cap: 1-1/4-inch sae thread, 0-inch inner diameter
- Pleat count: 176; filter media: 3-ounce reemay 2033; filter area: 40 square feet
- Get more efficient filtration and better water clarity with Unicel filters
- Longer time between cleanings; meets oem specifications
