Add to favorites
Filtrete 20x25x4 Air Filter MERV 11, MPR 1000 Micro Allergen Defense 2-Pack, Fits Honeywell & AprilAire, AC Furnace HVAC Filters for Home, Pleated Electrostatic (Actual Size 19.88 x 24.63 x 4.31 in) by Filtrete - Used - Very Good condition

Filtrete 20x25x4 Air Filter MERV 11, MPR 1000 Micro Allergen Defense 2-Pack, Fits Honeywell & AprilAire, AC Furnace HVAC Filters for Home, Pleated Electrostatic (Actual Size 19.88 x 24.63 x 4.31 in)

Brand: Filtrete

Condition: Used - Very Good
$2182
$5799
-63% Save $3617
Updated: 7 hours 26 mins ago
Buy at Amazon.com

Description

• DIFFERENT FROM NOMINAL SIZE: Slightly different from the nominal size, this air filter’s exact dimensions are 19.88 in x 24.63 in x 4.31 in, This item is a 2-pack of 12-month Filtrete Air Filters

• DESIGNED TO FIT: Honeywell and Space-Gard brand media air cleaners

• MAKE YOUR HOME YOUR SANCTUARY: 1000 MPR + MERV 11 rating helps capture up to 2X more microparticles than MERV alone(2)

• EXCLUSIVE TECHNOLOGY: Designed with exclusive Filtrete 3-in-1 technology to pull in and trap unwanted particles, allowing cleaner air to flow through

• CERTIFIED: This furnace filter is CERTIFIED asthma and allergy-friendly (2) and helps capture dust, lint and other allergens in your household air

• CHANGE YOUR FILTER OFTEN: For optimal performance, make sure to change your 4-inch filter at least once every 12 months

• SMART APP: Use the Filtrete Smart App (iOS or Android) to set 90-, 180- or 365-day reminders to change your air filter

• MOST TRUSTED: Filtrete Brand is North America’s most trusted brand of HVAC Filters, based on 2024 Sago US Brand Health Survey of Residential HVAC Air Filters

Buy at Amazon.com

Sold by

Amazon Warehouse

Verified Retailer

Official Amazon outlet for open-box & returned items

  • Backed by Amazon's A-to-Z Guarantee
  • 30-day return policy
  • Ships from Amazon fulfillment centers
  • Price verified on Amazon

Product Details

SKU:
awhd-us-b09rqcx5yr
Model:
NADP03-2PK-1E
Country:
US
ASIN:
B09RQCX5YR
GTIN:
00051141349831

Shopping Smarter

Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $36 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
Why use OpenBoxFox?
Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for Filtrete products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.
Is it safe to buy refurbished?
Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.

More refurbished Filtrete deals

Updated daily from Amazon, Reebelo, and Dyson.

Add to favorites
USA Filtrete 20x20x4 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Honeywell, Allergen Defense, Electrostatic Air Cleaning Filter, 2-Pack (actual size 19.88 x 19.88 x 4.31) by Filtrete - Used - Very Good condition - US$17.72
Filtrete
Filtrete 20x20x4 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Honeywell, Allergen Defense, Electrostatic Air Cleaning Filter, 2-Pack (actual size 19.88 x 19.88 x 4.31)
Used - Very Good
$1772
$58.99
-70% Save $41.27
Buy at Amazon.com
Add to favorites
USA Filtrete 16x25x5 AC Furnace Air Filter, MPR 1550, MERV 12, Fits Honeywell & Trion AirBear, CERTIFIED Asthma & Allergy Friendly, Electrostatic Air Filter, 1-Pack (actual size 15.75 x 24.13 x 4.88) by Filtrete - Used - Good condition - US$18.91
Filtrete
Filtrete 16x25x5 AC Furnace Air Filter, MPR 1550, MERV 12, Fits Honeywell & Trion AirBear, CERTIFIED Asthma & Allergy Friendly, Electrostatic Air Filter, 1-Pack (actual size 15.75 x 24.13 x 4.88)
Used - Good
$1891
$60.99
-69% Save $42.08
Buy at Amazon.com
Add to favorites
USA Filtrete 20x20x1 Air Filter MERV 11, MPR 1000 Micro Allergen Defense 2-Pack, AC Furnace HVAC Filters for Home, 3-Month Pleated Electrostatic (Actual Size 19.719 x 19.719 x 0.84 in) by Filtrete - Used - Very Good condition - US$11.03
Filtrete
Filtrete 20x20x1 Air Filter MERV 11, MPR 1000 Micro Allergen Defense 2-Pack, AC Furnace HVAC Filters for Home, 3-Month Pleated Electrostatic (Actual Size 19.719 x 19.719 x 0.84 in)
Used - Very Good
$1103
$33.35
-67% Save $22.32
Buy at Amazon.com
Add to favorites
USA Filtrete 20x25x1 AC Furnace Air Filter, MERV 13, MPR 1900, Premium Allergen, Bacteria & Virus Filter, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2-Pack (Actual Size 19.69x24.69x0.78 in) by Filtrete - Used - Very Good condition - US$17.09
Filtrete
Filtrete 20x25x1 AC Furnace Air Filter, MERV 13, MPR 1900, Premium Allergen, Bacteria & Virus Filter, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2-Pack (Actual Size 19.69x24.69x0.78 in)
Used - Very Good
$1709
$45.99
-63% Save $28.90
Buy at Amazon.com
Add to favorites
USA Filtrete 20x20x4 AC Furnace Air Filter, MPR 1550, MERV 12, Fits Honeywell, CERTIFIED Asthma & Allergy Friendly, Electrostatic Air Cleaning Filter, 2-Pack (Actual Size 19.88x19.88x4.31 in) by Filtrete - Used - Acceptable condition - US$25.77
Filtrete
Filtrete 20x20x4 AC Furnace Air Filter, MPR 1550, MERV 12, Fits Honeywell, CERTIFIED Asthma & Allergy Friendly, Electrostatic Air Cleaning Filter, 2-Pack (Actual Size 19.88x19.88x4.31 in)
Used - Acceptable
$2577
$67.99
-63% Save $42.22
Buy at Amazon.com
Add to favorites
USA Filtrete 16x25x4 AC Furnace Air Filter, MPR 1550, MERV 12, Fits Lennox & Honeywell, CERTIFIED Asthma & Allergy Friendly, Electrostatic Air Cleaning Filter, 4-Pack (actual size 15.88 x 24.56 x 4.31) by Filtrete - Used - Very Good condition - US$67.20
Filtrete
Filtrete 16x25x4 AC Furnace Air Filter, MPR 1550, MERV 12, Fits Lennox & Honeywell, CERTIFIED Asthma & Allergy Friendly, Electrostatic Air Cleaning Filter, 4-Pack (actual size 15.88 x 24.56 x 4.31)
Used - Very Good
$6720
$158.40
-58% Save $91.20
Buy at Amazon.com
Add to favorites
USA Filtrete 16x30x1 AC Furnace Air Filter, MPR 700, MERV 8, Tough on Pollen, Easy on Airflow, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 12-Pack (Actual Size 15.81 x 29.81 x 0.81 in) by Filtrete - Used - Like New condition - US$48.07
Filtrete
Filtrete 16x30x1 AC Furnace Air Filter, MPR 700, MERV 8, Tough on Pollen, Easy on Airflow, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 12-Pack (Actual Size 15.81 x 29.81 x 0.81 in)
Used - Like New
$4807
$105.99
-55% Save $57.92
Buy at Amazon.com
Add to favorites
USA Filtrete 25x25x1 Air Filter, MERV 8, MPR 700, Dust, Pollen & Pet Dander Reduction, 3-Month AC and Furnace Filter, Easy on Air Flow, 6 HVAC Filters (Actual Size 24.81 x 24.81 x 0.81 in) by Filtrete - Used - Acceptable condition - US$30.89
Filtrete
Filtrete 25x25x1 Air Filter, MERV 8, MPR 700, Dust, Pollen & Pet Dander Reduction, 3-Month AC and Furnace Filter, Easy on Air Flow, 6 HVAC Filters (Actual Size 24.81 x 24.81 x 0.81 in)
Used - Acceptable
$3089
$59.99
-49% Save $29.10
Buy at Amazon.com

Sign in to save items

Save favorites and get alerts when prices drop.

or

Already have an account?