Filter Diameter (cm) 20cm (7 7/8") Filter Length (cm) 41.9cm Filter Top Finish Handle Filter Bottom Fitting Open Hole Hole Diameter 9.2cm Filtration Area (sq ft) 100 sq ft Number of Pleats 259 Filbur Reference FC-3965 Unicel Reference C-8399 Pleatco Reference PCD100 Darlley Reference SC775 Great Barrier Ref. No Equivalent OEM Reference 1039607 or 73722 Additional Information fits Caldera/Watkins Spas
- This Filter Fits...
This filter is known to fit the following makes of hot tub. (NB. It could also fit makes not listed here).