20.75" x 21.5" x 4" MERV 11 AC & Furnace Filters (6 Pack)

SP-20.75x21.5x4A-P11M6
Made in USA
List Price: $281.99 Our Price: $140.99 Save: $141.00!
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Made to order (See notes below)
Replace every 3-4 months
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  • Product Overview
This item is made to order, non-returnable, and ships within 3-4 business days. Please check the actual dimensions listed below prior to ordering.
MERV 11 20.75x21.5x4 Furnace Filter Overview
  • This is a non-standard size filter. The actual dimensions of the filter are 20.75" x 21.5" x 3.5". Please measure your existing filter before ordering to make sure it will be compatible.
  • Long-lasting value package
The MERV 11 21-1/2 x 20-3/4 x 4 furnace & air conditioner filter will remove the following contaminants:
  • Lint & Dust
  • Dust Mite Debris
  • Pollen
  • Mold Spores
  • Pet Dander
  • Auto Emissions
  • Smoke
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