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Shop / glasfloss 20x25x4

Air Filters for AC and Furnace: Glasfloss ZL 20x25x4 MERV 10, 3 Pack

$ 45.98 $32.19
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About this item

  • Size: 19-1/2 x 24-1/2 x 3-3/4 is precise, while the nominal size is 20x25x4
  • Filtration Rating: MERV 10, also equivalent to MPR rating 600 to 800, or FPR rating 5 to 6.
  • Composed entirely of synthetic fibers that are electrostatically charged, thermally bonded, and are made in an engineered gradient structure. This media structure supports high dust-holding capacity and a long filter service life.
  • Air Flow is similar to a MERV 8. Manufactured in the USA. Suitable for residential and commercial use.
  • Please note: Not suitable for replacing 5" inch or 4-3/8" depth filters. Please verify the needed filter size.