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The Filbur FC-1493 is the replacement filter for the Jacuzzi Brothers JB 42379924 R.
Guaranteed to fit or your money back!
The Jacuzzi Brothers 42379924 Comp. Pool & Spa Filter has a diameter of 7 3/4 inches, and a length of 28 3/4 inches. This spa filter cartridge has a closed top, and an open bottom with a diameter of 4 inches. This pool filter replacement will keep the water in your pool or spa clean and clear.