Filters for Great Lakes Spas.

Great Lakes Spas come from Great Lakes Home and Resort,a company based in Michigan USA.

The company was first called Glamour Pools of the Midwest, which was changed in 1972 to GPM Industries - so if you see these names on your spa equipment - these are the connections!

Filters to fit Great Lakes spas

There are four main sizes of filter that are used in hot tubs that have been made in recent years by Great Lakes Home & Resort of Michigan. We list these below:

PRB 25SF - Outer diameter 4 15/16" x 6 5/8" long with top & bottom holes 2 1/8" dia, priced as a pair.
Reemay 704 - Replacement for Pleatco PRB25-1N, Unicel C-4326, Filbur FC-2375 - this cartridge measures 13 5/16" (338mm) long with a diameter of 4 15/16 (125mm), and 2 1/8" (54mm) ID holes at each ends. The overall area is 25 square feet.
Reemay 705 - Replacement for Pleatco PRB35IN, Unicel C-4335, Filbur FC-2385 - This filter has an outer dia. of 5" (125mm) and a length of 9 3/8" (235mm) with an equal hole diameter of 54mm the length of the filter.
Reemay 706 - Replacement for Pleatco PRB50-1N, Unicel C-4950, Filbur FC-2390 - this cartridge measures 13 5/16" (338mm) long with a diameter of 4 15/16"(125mm), and 2 1/8" (54mm) ID holes at each end. The overall area is 50 square feet.