Top 9 20x20x1 Air Filter 4 Pack – Furnace Filters

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1. Filtrete

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MPR 1500, Healthy Living Ultra Allergen, 4-Pack exact dimensions 13.81 x 19.81 x 0.78, AC Furnace Air Filter, Filtrete 14x20x1

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Filtrete #ad - Carries a 1500 microparticle performance rating mpr. The higher the mpr, the more microparticles--such as pollen, pet dander, smoke, bacteria and viruses--your filter will capture from the air passing through it.

Change filter at least every 90 days for optimal performance of your your furnace, air conditioner or HVAC system. Lasts up to 3 months. 50-percentage better small particle filtration than our 1000 performance level filter. Attracts and captures microscopic particles such as smoke, cough and sneeze debris, bacteria and viruses--and large particles, including lint, household dust and pollen.1

1500 mpr has a rating of MERV 12. Captures more particles than fiberglass air filters. 90-percentage effective at capturing particles like dust, pollen and mold spores from the air passing through the filter. Attracts and captures microscopic particles that can carry bacteria and viruses.
BrandFiltrete #ad
ManufacturerFiltrete #ad
Height13.81 Inches
Length19.81 Inches
Weight0.68 Pounds
Width0.78 Inches
Part Number2005-4
Model2005-4
WarrantyCall 1-800-494-3552 for warranty questions

2. Honeywell Home

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Honeywell Home AC Furnace Media Air Filter 16 x 20 x 4 MERV 11 1 pk

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Honeywell Home #ad - New merv 10 at 492 fpm performance with lower pressure drop at no additional cost! Efficiency ratings are based on american Society of Heating, Refrigerating and Air-Conditioning Engineers Standard 52. 2 1999! efficiency ranges are defined for small particles, e1=03 to 1. 0 microns; medium particles, E2=1. 0 to 3. 0 microns; and large particles, E3=3. 0 to 100 microns.
BrandHoneywell Home #ad
ManufacturerHoneywell Home #ad
Height20 Inches
Length16 Inches
Weight1 Pounds
Width5 Inches
Part NumberFC100A1003
ModelFC100A1003
Warranty1 Year Limited

3. Filtrete

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1 Count Pack of 1, Filtrete DP01DC-4 Ultra Allergen Healthy Living Electrostatic High-Performance Replacement Air Filter, White

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Filtrete #ad - Lures in and traps microscopic particles like smoke, bacteria and viruses, mold spores, not to mention 97% of larger airborne allergens like pollen, cough and sneeze debris, dust mite debris and lint.

Get the most out of your heating and cooling or HVAC system by replacing the filter at least once every 12 months. Measures 16" high x 25" wide x 4" deep and features 1550 MPR with a rating of MERV 12. Boasts exclusive filtrete brand 3-in-1 technology from 3M to trap bothersome air particles and promote cleaner air flow. Intended for residential use only and designed to fit Aprilaire/Space-Gard, Honeywell and Trion Air Bear 16x25x4 media air cleaners.
BrandFiltrete #ad
Manufacturer3M #ad
Height17.6 Inches
Length26.4 Inches
Weight2.1 Pounds
Width19.3 Inches
Part NumberDP01DC-4
ModelDP01DC-4

4. BestAir

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Single Pack, 20" x 25" x 4", Removes Allergens & Contaminants, BestAir HW2025-8R Air Cleaning Furnace Filter, MERV 8, 1 Count Pack of 1, For Honeywell Models

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BestAir #ad - Pleated design allows the bestair filter to trap up to 79% of airborne particles from 03 to 10 Filters out unwanted particles including dust lint, pollen, bacteria, mold particles, and virus carriers while allowing cleaner air to flow through. Designed to perform with high efficiency and minimum pressure drop; conserving energy and lowering costs. Minimum efficiency reporting value MERV of 8; generating good filtration with fewer particles and contaminants that pass through the filter. 0 microns; long life filter design for long lasting performance up to 12 months.
BrandBestAir #ad
ManufacturerBestAir #ad
Height24.75 Inches
Length20 Inches
Weight0.02 Pounds
Width4.25 Inches
Part NumberHW2025-8R
ModelHW2025-8R
WarrantyN/a.

5. RAYAIR SUPPLY

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RAYAIR SUPPLY 20x30 Totaline CG1000 1" Air Cleaner Replacement Filter Pads 20x30 Refills 4 Pack

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RAYAIR SUPPLY #ad - Free shipping. Eight fiberglass media pads per order 4 Changes. Totaline cg1000 compatible Replacement Media for a 20X30 Filter. 4 changes = 1 Year Supply.
BrandRAYAIR SUPPLY #ad
ManufacturerRAYAIR SUPPLY #ad
Part NumberCG1000

6. Nordic Pure

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Nordic Pure 20x20x5 MERV 8 Honeywell/Lennox Replacement AC Furnace Air Filter 1 Pack

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Nordic Pure #ad - Measure your air filter for the exact size and compare it to our actual size to ensure proper fit. Nordic pure merv 8 is equivalent to MPR 800 Nominal size: 20 x 20 x 5 h, actual size: 19 5/8 x 19 7/8 x 4 3/8 19. 63 x 19. 88 x 4. 38. Made in the USA. Replaces honeywell 20x20x4 and filters with an MPR rating with an actual depth of 4 3/8 and ideal for helping keep equipment working efficiently and reducing odors.
BrandNordic Pure #ad
ManufacturerNordic Pure #ad
Height4.38 Inches
Length19.63 Inches
Weight3.85 Pounds
Width19.88 Inches
Part Number20x20x5HM8-1
Model20x20x5 (4-3/8 Actual Depth)

7. Flanders

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Flanders PrecisionAire 84857.011420 14 by 20 by 1 NaturalAire with Baking Soda, 4-Pack

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Flanders #ad - Experience the clean air difference. V-pleats provide large media surface area for more effective filtration while keeping airflow resistance low. Merv 8 rating: removes household dust, dirt, pollen, mold spores and more. Each filter maintains efficiency for up to 90 days. Pack of 4 air filters designed with baking soda media to control, absorb, and eliminate offensive odors. Compatible with hvac systems requiring filters sized 14" x 20".
BrandFlanders #ad
ManufacturerFlanders Corporation #ad
Height20 Inches
Length14 Inches
Weight0 Pounds
Width1 Inches
Part Number84857.011420
Model84857.011420

8. Filtrete

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2-Pack exact dimensions 19.688 x 24.688 x 0.84, Micro Allergen Defense, MPR 1000, Filtrete 20x25x1, AC Furnace Air Filter

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Filtrete #ad - The higher the mpr, the more microparticles--such as pollen, pet dander, smoke, bacteria and viruses--your filter will capture from the air passing through it. Outperforms fiberglass, washable and non-electrostatic 3-month pleated 1 in. Attracts and captures particles such as lint, dust, pet dander, pollen, smoke and smog. Home air filters for your furnace, air conditioner or HVAC system. Designed with exclusive filtrete brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through. 1000 mpr has a rating of MERV 11.
BrandFiltrete #ad
Manufacturer3M #ad
Height2.5 Inches
Length26 Inches
Weight1.41 Pounds
Width20.38 Inches
Part NumberAD03-2PK-1E
ModelAD03-2PK-1E
WarrantyThis 3M product will be free from defects in material and manufacture. If this 3M product is defective, your exclusive remedy shall be, at 3M's option, replacement of the 3M product or refund of the purchase price of the 3M product. This warranty gives you specific legal rights, and you may have other rights which may vary from state to state, or country to country. To obtain warranty service, contact 3M at the address listed on the product package.

9. Filtrete

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2-Pack exact dimensions 19.688 x 24.688 x 0.84, Filtrete 20x25x1, AC Furnace Air Filter, MPR 1200, Allergen Defense Odor Reduction

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Filtrete #ad - Home air filters for your furnace, air conditioner or HVAC system. Attracts and captures particles such as lint, pollen, pet dander, dust, smoke and smog.

Active carbon layer acts as odor eliminator for pet smells, cooking, smoke, mildew and cleaning chemicals. Designed with exclusive filtrete brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through. Outperforms fiberglass, washable and non-electrostatic 3-month pleated 1 in. 25 times more effective in odor removal than other national retail home air filters, based on a comparison of organic vapor capacity.
BrandFiltrete #ad
Manufacturer3M #ad
Height1 Inches
Length25 Inches
Weight2 Pounds
Width20 Inches
Part NumberAOR03-2PK-6E
ModelAOR03-2PK-1E
WarrantyThis 3M product will be free from defects in material and manufacture. If this 3M product is defective, your exclusive remedy shall be, at 3M's option, replacement of the 3M product or refund of the purchase price of the 3M product. This warranty gives you specific legal rights, and you may have other rights which may vary from state to state, or country to country. To obtain warranty service, contact 3M at the address listed on the product package.