best offers 16.5x21x1 (Actual Size) Air Filter - Furnace Filter - MERV 13 (4 Filters)

best offers 16.5x21x1 (Actual Size) Air Filter - Furnace Filter - MERV 13 (4 Filters)

Amazon: Customer Reviews: 16.5x21x1 (Actual Size) Accumulair 16.5x21x1 (Actual Size) Accumulair Gold 1-Inch Filter (MERV 8) (4 Pack) by Accumulair. $39.96 In Stock. Search Customer Reviews: Only search this product's reviews:

16.5x21x1 (Actual Size) Accumulair Diamond 1-Inch Filter (MERV 13)

16.5x21x1 (Actual Size) Air Filter - Furnace Filter - MERV 13 (4 Filters)

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16.5x21x1 (Actual Size) Air Filter - Features :

• IMPORTANT: The size written on your filter frame could be "Actual Size" or "Nominal Size (by name only)".
  For example, a filter labeled 20x20 could measure either 19.5x19.5 or "actually" 20x20. If you need a 20x20 "Nominal Size" but order a 20x20 "Actual Size", IT WILL NOT FIT !
• Genuine brand Accumulair Filter
• Made in the USA
• Accumulair filter material will not support the development of mold, mildew, bacteria
• Lasts three months or more

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