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Home Products Accumulair Gold MERV 8 Filter - 21x23 1/4x4 (Actual Size)
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Accumulair Gold MERV 8 Filter - 21x23 1/4x4 (Actual Size)

21X23.25X4A

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21x23 1/4x4 (Actual Size)

  • APR 650 Rating What is APR?
  • MERV 8 Efficiency What is MERV?
  • Electrostatic charge captures airborne allergens SMALLER THAN 1 micron including fine dust, smoke, dander, mold, pet dander and dust mites.
  • Also traps most large allergens including pollen and lint.
  • Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters.
  • Designed for uniform air flow.
  • Lasts UP TO 3 months.
  • Will not support the growth of bacteria, mold, mildew or fungi in normal use.

Type: Accumulair Air Filters