18x24x4 AIRx ALLERGY Air Filter - MERV 11

AIRx 18x24x4-ALLERGY | Our#: 174535
6 pack

18x24x4 AIRx ALLERGY Air Filter - MERV 11

  • MERV 11 Rated
  • Change Every 3 Months
  • 18x24x4" Nominal
  • 17½x23½x3¾" Actual
$95.99 $124.99
Case of 6 Filters, $16.00 ea
In Stock
Ships Monday, Oct. 22nd
Est. Delivery By Oct. 29th

18x24x4 AIRx ALLERGY Air Filter - MERV 11

(Actual Size 17.5" x 23.5" x 3.75")

Better filtration is the first step in improving Indoor Air Quality. Pleated Panel Filters outperform ordinary furnace filters with higher efficiency and lower pressure drop allowing air-handling systems to stay cleaner and operate more efficiently. We achieve this with 100% synthetic electrostatically charged gradient density media, optimum pleat spacing and high initial and sustained efficiency, high dust holding capacity and very low pressure drop. The media is resistant to a wide range of chemicals, does not absorb moisture and will not support microbial growth.


  • Great for helping reduce airborne allergens such as bacteria, particles that carry viruses, pollen, mold spores, fine dust, and pet dander.
  • Filter material will not support the development of mold, mildew, bacteria or other microorganisms in normal use.
  • No chemicals added. Filters are chemical free!
  • Over 30-times more efficient at capturing micro particles than ordinary fiberglass filters.
  • Lasts UP TO 3 months!


  • MERV 11 Rating
  • 100% synthetic gradient media, electrostatically charged
  • 30 gauge galvanized expanded metal grid
  • Moisture resistant double wall beverage board
  • Media pack totally bonded to frame
  • This product is listed and rated by Underwriters Laboratories as U.L. Class 2.


by PowerReviews
IAQ18" X 24" X 4" MERV 11 Pleated Filter

(based on 1 review)

Reviewed by 1 customer

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I would buy this product again and again

By Dan

from Ohio

About Me Homeowner

Verified Buyer


  • Durable
  • Easy To Install
  • Good Fit
  • Good Value


    Best Uses

    • Central AC
    • Central Heating

    Comments about IAQ 18" X 24" X 4" MERV 11 Pleated Filter:

    [...]...will order from again and a great price too

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