Bullfrog Spas (fits all years), 50 Sq. Ft., Length: 6", Diameter: 8", Bottom/Core: 2" SAE, Top: Handle

The Pleatco PBF35 hot tub filter is a compatible replacement for the Bullfrog 10-2785 filter with the short threads. No compatible with the Bullfrog 10-2780 with long threads. To ensure a perfect fit, compare the dimensions of this filter cartridge with your old one before purchasing. Details: Pleatco P/N: PBF35 Diameter: 8" Length: 5 7/8" Top: Handle Bottom: 2" Modified ACME Media: 35 sq.ft. Compatible replacement for: Bullfrog 10-2785 (Short Thread) Bullfrog 10-1035, 2003-2012 (Short Thread) Pleatco PBF35-M Pleatco PBF50-F2S Unicel 8CH-950 Filbur FC-0536 Magnum BUFO