Pleatco reference: PWW50, Unicel ref: 6CH-940 / 6CH-940-RA, Great Barrier reference: 8550. Filbur ref: FC-0359.
This filter will fit many hot tub models including: Artesian Spas, Canadian Spas (Fun Tub, Niagra, Montreal), Coleman Spas, Garden Leisure, Great Lakes Spas, Gulf Coast Spas, Hydropool, Hydro Spa, Iberspa, Insparations, Leisure Bay Spas, Sun Ray Spas, Spaform, US Spa, Vita Spas.

Filtration Size: 45 sq ft
Outside diameter: 15.2cm
Top finish: Handle
Bottom finish: Coarse male thread
Length: 21cm