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The Filbur FC-2390 is the replacement for the Atera Spas 50 R. Guaranteed to fit or your money back!
The Atera Spas 50 Sq Ft Comp Pool and Spa Water Filter has a diameter of 4 15/16 inches and is 13 5/16 inches long. This Atera Spas pool filter has top and bottom openings with diameters of 2 1/8 inches. This pleated pool filter replacement contains 50 square feet of filter media. This pool water filter cartridge will keep your pool or spa water clean and clear.