Top 9 Furnace Filters 20x25x4 MERV 12 – Furnace Filters

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1. Nordic Pure

#ad

Nordic Pure 20x25x4 MERV 10 Pleated AC Furnace Air Filters 2 Pack

#adNordic Pure #ad - If you are replacing a honeywell or lennox 20x25x4 or an air filter with an MPR rating with an actual depth of 4 3/8, please see our 20x25x5 4 3/8 actual depth. Nordic pure merv 10 is equivalent to MPR 1000 Made in the USA. Measure your air filter for the exact size and compare it to our actual size to ensure proper fit. Nominal size: 20 x 25 x 4, actual size: 19 1/2 x 24 1/2 x 3 5/8 19. 5 x 24. 5 x 3. 63.

Brand	Nordic Pure #ad
Manufacturer	Nordic Pure #ad
Height	3.63 Inches
Length	24.5 Inches
Width	19.5 Inches
Part Number	20x25x4M10-2
Model	20x25x4 (3 5/8)

2. Nordic Pure

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Nordic Pure 20x25x5 MERV 12 Pleated Air Bear 255649-102 Replacement AC Furnace Air Filter 1 Pack

#adNordic Pure #ad - Trion air bear replacement filters have a depth of 4 7/8" and ideal for high efficiency air filtration and those with moderate allergies. Made in the USA. Nordic pure merv 12 is equivalent to MPR 1500-1900 Nominal size: 20 x 25 x 5 ab, actual size: 19 3/4 x 24 1/4 x 4 7/8 19. 75 x 24. 25 x 4. 88. Measure your air filter for the exact size and compare it to our actual size to ensure proper fit.

Brand	Nordic Pure #ad
Manufacturer	Nordic Pure #ad
Height	4.88 Inches
Length	19.75 Inches
Width	24.25 Inches
Part Number	20x25x5ABM12
Model	20x25x5 (4-7/8 Actual Depth)
Warranty	Please Contact the seller directly for warranty information about this product

3. BestAir

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

#adBestAir #ad - 0 microns; long life filter design for long lasting performance up to 12 months. Minimum efficiency reporting value MERV of 8; generating good filtration with fewer particles and contaminants that pass through the filter. Pleated design allows the bestair filter to trap up to 79% of airborne particles from 0 Filters out unwanted particles including dust lint, bacteria, pollen, mold particles, and virus carriers while allowing cleaner air to flow through.3 to 10 Designed to perform with high efficiency and minimum pressure drop; conserving energy and lowering costs.

Brand	BestAir #ad
Manufacturer	BestAir #ad
Height	24.75 Inches
Length	20 Inches
Weight	0.02 Pounds
Width	4.25 Inches
Part Number	HW2025-8R
Model	HW2025-8R
Warranty	N/a.

4. Tier1

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Reduces Harmful Airborne Particles for Improved Air Quality, MERV 8, Captures Dust & Pollen in Air Conditioner/Furnace, 20x25x4, 6 Pack, Tier1 Pleated Air Filter

#adTier1 #ad - 30 times more efficient than ordinary fiberglass filters at capturing the smallest, most troublesome particles 3-10 microns in size. The smart choice for quality and dependability. Improves air quality. Doesn't promote the growth of bacteria, mildew, mold, or fungi so they're a great choice for families with small children. Great for home use.

Brand	Tier1 #ad
Manufacturer	Tier1 #ad
Height	3.75 Inches
Length	19.5 Inches
Weight	30 Pounds
Width	24.5 Inches
Part Number	P85S_642025_6_PACK

5. Nordic Pure

#ad

Nordic Pure 20x20x5 MERV 12 Honeywell/Lennox Replacement AC Furnace Air Filters 2 Pack

#adNordic Pure #ad - Replaces honeywell 20x20x4 and filters with an MPR rating with an actual depth of 4 3/8 and ideal for high efficiency air filtration and those with moderate allergies. 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. Nordic pure merv 12 is equivalent to MPR 1500-1900 Measure your air filter for the exact size and compare it to our actual size to ensure proper fit.

Brand	Nordic Pure #ad
Manufacturer	Nordic Pure #ad
Height	4.38 Inches
Length	19.88 Inches
Weight	3.12 Pounds
Width	19.63 Inches
Part Number	20x20x5HM12-2
Model	20x20x5HM12-2
Warranty	Please Contact the seller directly for warranty information about this product

6. Clean Comfort

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Clean Comfort AMP-11-2025-45 2-Pack, 20" x 25" x 4.5" Media Air Filter, MERV 11

#adClean Comfort #ad - Replacement media for clean comfort air cleaner models AM11-2025-FB, AMB11-2025-45. Also replaces honeywell fc100A1037, Lennox Healthy Climate X6673. Filter should be changed once or twice a year based on conditions within the home. Genuine, oem Clean Comfort brand filter. Actual size: 20 3/4" x 24 3/4" x 4 3/8".

Brand	Clean Comfort #ad
Manufacturer	Clean Comfort #ad
Height	4.5 Inches
Length	25 Inches
Width	20 Inches
Part Number	1

7. Honeywell Home

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

#adHoneywell 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.

Brand	Honeywell Home #ad
Manufacturer	Honeywell Home #ad
Height	20 Inches
Length	16 Inches
Weight	1 Pounds
Width	5 Inches
Part Number	FC100A1003
Model	FC100A1003
Warranty	1 Year Limited

8. Filtrete

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

#adFiltrete #ad - Attracts and captures particles such as lint, pet dander, dust, pollen, smoke and smog. Active carbon layer acts as odor eliminator for pet smells, smoke, cooking, mildew and cleaning chemicals.

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. 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.

Brand	Filtrete #ad
Manufacturer	3M #ad
Height	1 Inches
Length	25 Inches
Weight	2 Pounds
Width	20 Inches
Part Number	AOR03-2PK-6E
Model	AOR03-2PK-1E
Warranty	This 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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Micro Allergen Defense, Filtrete 20x25x1, 2-Pack exact dimensions 19.688 x 24.688 x 0.84, MPR 1000, AC Furnace Air Filter

#adFiltrete #ad - 1000 mpr has a rating of MERV 11. The higher the mpr, pet dander, the more microparticles--such as pollen, smoke, bacteria and viruses--your filter will capture from the air passing through it. Designed with exclusive filtrete brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through. Home air filters for your furnace, air conditioner or HVAC system. Outperforms fiberglass, washable and non-electrostatic 3-month pleated 1 in. Attracts and captures particles such as lint, pet dander, dust, pollen, smoke and smog.

Brand	Filtrete #ad
Manufacturer	3M #ad
Height	2.5 Inches
Length	26 Inches
Weight	1.41 Pounds
Width	20.38 Inches
Part Number	AD03-2PK-1E
Model	AD03-2PK-1E
Warranty	This 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.