Great Lakes Spa Filters Canada

Great Lakes FiltersReplace your cartridge filter annually on your Great Lakes Spa.  Popular hot tub filter models include:

  • M42513 25 sq. ft. filter compatible with PRB25-IN, C-4326 and FC-2375 measuring 13 5/16″ long and 5″ in outer diameter with 2 1/8″ center hole diameter (top and bottom)
  • M40353 35 sq. ft. filter compatible with PRB35-IN, C-4335 and FC-2385 measuring 9 1/4″ long and 5″ outer diameter with 2 1/8″ center hole top and bottom
  • M40506 50 sq. ft. filter compatible with PRB50-IN, C-4950 and FC-2390 measuring 13 5/16″ long and 5″ outer diameter with 2 1/8″ center hole top and bottom

Some Great Lakes Spa filters have a top handle and a bottom threaded connector such as:

  • M40503 compatible with 4CH-50, PTL50, FC-0151 measuring 14 3/4″ long and diameter 4 3/4″ wide with top handle and bottom 1 1/2″ MPT threaded connector
  • and also a smaller 4CH-30, PTL25, FC-0141 measuring 11 7/8″ long and diameter 4 5/8″ wide with top handle and bottom  1 1/2″ MPT threaded connector

At first glance, it may appear like the filter compartment has a large lid, but this is actually the ice bucket or ice chest located in the spa in addition to cup holders. This is a sample of what a Great Lakes hot tub looks like.