Pleatco reference: PRB50 1N3, Unicel ref: C-4950, Great Barrier reference: 8510, Arctic reference 3905 RS. This filter will fit many hot tub models including: Arctic Spas, 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, US Spa, Vita Spas, Jacuzzi J200.

Size: 50 sq ft
Outside diameter: 12.5cm
Top finish: 5.4cm hole
Bottom finish: 5.4cm hole
Length: 33.8cm