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The Master EP Old R is a compatible replacement for the following pool filters:
The Master Spas Comp. EP-Cylinder - Old Style Filter is a pool filter replacement measuring 7" x 7.25" with 4" Open top and bottom holes. This compatible Master Spas filter features 30 square feet of media area for contaminant reduction in water. This pool filter cartridge features Microban protection, which fights against the spread of bacteria and mold.