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The Unicel C-9422 R replaces the following pool and spa filter cartridges:
The Unicel C-9422 Comp. Replacement Pool Water Filter is equipped with 250 sq. ft. of pleated media area and measures 10 1/16" x 34". This compatible Unicel spa filter, also known as the Filbur FC-0830, features 5 15/16" Open top and bottom styles. With this pool filter cartridge you will experience the benefits of having clean and clear pool & spa water.