Free Shipping on Orders Over $99
toll free (800) 565-7415

18" x 21" x 1" MERV 11 AC & Furnace Filters (12 Pack)

NMQPA18211
UL Listed
List Price: $143.09 Our Price: $105.99 Save: $37.10!
Free Shipping
Made to order (See notes below)
Replace every 3 months
Email Reminder
Question Mark
 
  • Product Overview
This item is made to order and non-returnable. Please check the actual dimensions listed below prior to ordering.
This item is shipped within 2-4 business days within the contiguous U.S. (non-PO Box addresses) only.
MERV 11 18x21x1 Furnace Filter Overview
  • This is a non-standard size filter. The actual dimensions of the filter are 18" x 21" x 0.75". Please measure your existing filter before ordering to make sure it will be compatible.
  • Listed and rated by UL (Underwriters Laboratory)
  • 36 month supply (each filter lasts 3 months)
  • Long-lasting value package - 12 filters per case
The MERV 11 21 x 18 x 1 furnace & air conditioner filter will remove the following contaminants:
  • Lint & Dust
  • Dust Mite Debris
  • Pollen
  • Mold Spores
  • Pet Dander
  • Auto Emissions
  • Smoke
Air Filter FAQs