The Jacuzzi 6540-383 R is a compatible replacement for the following spa filters:
The Jacuzzi Premium 6540-383 Comp. Pool & Spa Filter is a pool filter cartridge measuring 6 5/8" x 15 1/2" and containing 60 square feet of media area. This compatible Jacuzzi filter features a 3" Open top style with Gasket and 2" Female SAE bottom style. Maintaining fresh and clear water is easy with this pool water filter.