Premier Atlas/Swimrite D E Filter Grid 18 Square Feet 19.63 Inches

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The APCFGR21 diatomaceous earth pool filter replacement grids feature a reinforced center core for increased durability. All of the APC DE grids use a 100% polypropylene cloth with an excellent resistance to acids, alkalis, mildew and rot. This cloth is stitched with a chemical resistant string that is then sonic welded to prevent any tearing or fraying.


  • #23782
  • Measurements: 19.63 x 10.75 inches
  • 18 square feet
  • Collar has a single notch and is covered with an adapter