18x24x1 (17.7 x 23.7) Filtrete Allergen Defense 1000 Filter by 3M

18x24x1 (17.7x23.7x1) MPR 1000

3M Filtrete Replacement Filter

$21.11

  • 1000 Performance Rating, MERV 11 Rating.
  • Up to 30 times more effective at capturing micro particles than ordinary fiberglass filters.
  • Meets the American Lung Association's Health House Project indoor air quality guidelines.
  • Outperforms all competitors' 3 month, 1" filters.
  • Captures:
    • Airborne micro particles, including smoke.
    • Airborne allergens, including pollen, pet dander, mold and bacteria.
    • Large particles like dust and lint.
  • Up to 3 months of filtering performance.
  • No unnecessary antimicrobial chemicals added. Filtrete filtering material will not support the growth of bacteria, mold, mildew or fungi in normal use.
    Merv 11 furnace filters and AC filters clean your home's air of indoor air pollution including: mold spores, lint, dust, pet dander, pollen and more. The EPA has named Indoor Air Quality (IAQ) as one of the top 5 environmental health risks. Today, people spend almost 90% of their time indoors exposed to air contaminants such as household cleaning products, pet dander, secondhand smoke, mold and more. Change your home air filters regularly to avoid temporary discomfort and the long-term health effects of breathing dirty air.
  • Type Furnace Filter
  • Item# MA18X24
  • Brand 3M Filtrete
  • Size 18x24x1
  • Actual 17.7x23.7x1
  • Efficiencyi MPR 1000 / N/A

Similar Filters

  • Size: 12x12x1
  • Brand: 3M Filtrete
  • Efficiency: MPR 1500
$23.75
  • Size: 12x20x1
  • Brand: 3M Filtrete
  • Efficiency: MPR 1500
$23.75
  • Size: 12x24x1
  • Brand: 3M Filtrete
  • Efficiency: MPR 1500
$23.75
  • Size: 12x30x1
  • Brand: 3M Filtrete
  • Efficiency: MPR 1500
$27.71

Newsletter Signup

Sign up to join our mailing list and be the first to hear about special pricing, new products, and tips to get the most out of your filters!

You can also sign up for our email reminders to change your filter here

No thanks, I'd rather not