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The Swimquip 18x8.3x18 R is a compatible replacement for the following DE grid filters:
The Swimquip DE Grid- Center Port Filters- 18x 8.3 x18 is a pool filter grid measuring 8.31" in diameter and 18" in length. This compatible Swimquip filter has a 100% polypropylene cloth that effectively improves water quality and has a high dirt holding capacity.