The Unicel C-4310 hot tub filter is smaller at 4 inches tall and 4-1/4 inch diameter with a 2-1/16 inch hole top and bottom. This cartridge is typically used in a range of older hot tubs were the filter is inside the skimmer and accessed through the skimmer opening.
Filter details:
- Unicel P/N: C-4310
- Diameter: 4-1/4"
- Length: 4"
- Top: 2-1/16" Open
- Bottom: 2-1/16" Open
- Media: 10 sq.ft.
- Filter Media: 3oz Reemay
- Pleat count: 216
Compatible replacement for the following:
- Pleatco PWW10
- Filbur FC-3077
- Master Deluxe M40101
- Waterway Plastics 817-0010
- 10146949
- CMP 25249
- Rec Warehouse OEM 378900
- Icon Spas OEM 146949
- QCA Capri and Santa Maria OEM # 25249-800-000
