The Columbia 5 x 9 1/4 R is a compatible replacement for the following pool filter cartridges:
The Columbia Spas 5" x 9 1/4" Comp Pool and Spa Filter is a pleated pool filter with dimensions measuring approximately 5" in diameter and 9 1/4" in length with Open top and bottom styles that measure 2 1/8". This pool water filter features 35 sq. ft. of media area and 3 oz. of media weight. This compatible Columbia Spas filter replacement reduces contaminants in swimming pool/spa water and increases clarity.