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SKU 7100192531
Legacy SKU 70009108427
UPC 00051141959603
Catalog Number AL43-4
Product Number AL43-4

The Filtrete Allergen Defense Filter outperforms non-electrostatic pleated and washable 1-inch filters at capturing microscopic allergens like dust, smoke, and smog particles and large allergens like mold spores and pet dander.

  • MAKE YOUR HOME YOUR SANCTUARY: 1-pack of 3-month pleated Filtrete 20x36x1 MERV 11 MPR 1000 AC Furnace Air Filter helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environment
  • EXCLUSIVE TECHNOLOGY: Designed with Filtrete™ 3-in-1 technology to pull in and trap unwanted particles, allowing cleaner air to flow through
  • COUNTLESS MICROPARTICLES: With a 1000 MPR and MERV 11 rating, your Filtrete™ Filter will help capture many microparticles from the air passing through it
  • CHANGE YOUR FILTER OFTEN: For optimal performance, make sure to change your filter at least once every 90 days
  • VERSATILE USES: Works for changing the air filters in your furnace, air conditioner/heating system or HVAC system
  • SMART APP: Use the Filtrete™ Smart App (iOS or Android) to set 30-, 60- or 90-day reminders to change your air filter
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On it's way to you September 3   

Qty

Minimum Order 4 Items
Order Increment 4 Items
  Outstanding Air Filteration
  Perfect for Offices
  Fast Shipping
  Lowest Price Per Item
Product Dimensions
Imperial Metric
Weight 1.03617 lbs
Width 19.68898 in
Length 0.81299 in
Height 35.68819 in
Thickness 1 in 2.54 cm
Shipping Dimensions
Weight 5.477 lb
Length 36.6248 in
Width 4.3748 in
Height 20.3748 in
Color White

PRODUCT FAQ

  1. What does the 1000 MPR rating mean for this Filtrete™ Allergen Defense Air Filter?

    The 1000 MPR (Micro Particle Performance Rating) indicates that this filter is highly effective at capturing small particles like dust, pollen, and mold spores.

  2. How often should I change this air filter in my home?

    We recommend replacing this Filtrete™ Allergen Defense Air Filter every 3 months for optimal performance in maintaining clean indoor air quality.

  3. Is the AL43-4 model compatible with my HVAC system size of 20 in x 36 in x 1 in (50.8 cm x 91.4 cm x 2.5 cm)?

    Yes, the AL43-4 model measuring 20 in x 36 in x1in is designed to fit perfectly into HVAC systems of that size, providing efficient filtration without any issues.

Product Description: Filtrete Allergen Defense Air Filter

Upgrade your central heating and cooling system with the Filtrete Allergen Defense Air Filter, designed to provide whole-home air filtration. This high-performance filter is specially designed to capture particles of different sizes, ranging from larger particles like lint, pollen, dust, and pet dander, to even microscopic particles such as smoke and smog.