Top 9 20x25x4 Filter – Home Air Purifier Parts & Accessories

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1. Nordic Pure


Nordic Pure 20x25x4 MERV 12 Pleated AC Furnace Air Filters 2 Pack

Nordic Pure #ad - 5 x 24. Nordic pure recommends changing 4" air filters every 3-6 months. Actual size: 19 1/2 x 24 1/2 x 3 5/8 19. Proudly made in the USA. 63. 5 x 3. Lead/handling Time - 5. Hypoallergenic and pleated electrostatic filter material. Attracts indoor allergens, dust, pollen and other airborne contaminants.
BrandNordic Pure #ad
ManufacturerNordic Pure #ad
Height19.5 Inches
Length24.5 Inches
Width3.63 Inches
Part Number20x25x4M12-2
Model20x25x4 (3 5/8)

2. Honeywell Home


MERV 8 Rating, CF100A1025, Honeywell Home 4-Inch High Efficiency Air Cleaner Filter

Honeywell Home #ad - 20x more effective than than typical 1-inch fiberglass filters. Long lasting filtration - Lasts up to 12 months without losing quality over time. Dimensions - nominal size 20 x 25 x 4 inches / Actual Size 18.

838 x 24. 875 x 4. 375 inches. Compatible and convenient - compatible with Aprilaire and Space-Gard models 2200 and 2251 and Trion Air Bear 20 x 24 air cleaners. Easy installation - honeywell Home's easy-to-install air filters make changing out your air filtration unit quick, painless, and mess-free. Recommended use - recommended for homes with pets, people with allergies, homes with smokers, or anyone wanting cleaner air.

Merv 8 rating - get exceptional protection against dust, fungus, bacteria, viruses, pollen, and spores. A healthier household - breathe easy in your home with a Honeywell Home 4-Inch High Efficiency Air Cleaner Filter that helps keep hazardous airborne particles out and fresh air flowing in.
BrandHoneywell Home #ad
ManufacturerHoneywell #ad
Height4.38 Inches
Length24.88 Inches
Weight1 Pounds
Width18.84 Inches
Part NumberCF100A1025/U
Warranty1 Year Limited



Made in the USA, AIRx ALLERGY 20x25x1 MERV 11 Pleated Air Filter, Box of 6

AIRX FILTERS WICKED CLEAN AIR. #ad - Made in USA. Compare to 3m filtrete micro particle MPR800 and Filtrete allergen MPR1200 filters. Traps mold, smoke particles, pet dander, pollen and dust mite debris for allergen protection. More pleats than most retail air filters - better energy efficiency and captures more particles. Merv 11 furnace filter premium pleated filter, actual size 19. 5" x 24. 5" x. 75".
ManufacturerAiRx #ad
Height0.75 Inches
Length19.5 Inches
Weight0.69 Pounds
Width24.5 Inches
Part NumberALLERGY-202501-6
Warranty1 year manufacturer

4. BestAir


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

BestAir #ad - 3 to 10 Pleated design allows the bestair filter to trap up to 79% of airborne particles from 00 microns; long life filter design for long lasting performance up to 12 months. Filters out unwanted particles including dust lint, pollen, mold particles, bacteria, and virus carriers while allowing cleaner air to flow through. Minimum efficiency reporting value MERV of 8; generating good filtration with fewer particles and contaminants that pass through the filter. Designed to perform with high efficiency and minimum pressure drop; conserving energy and lowering costs.
BrandBestAir #ad
ManufacturerBestAir #ad
Height24.75 Inches
Length20 Inches
Weight0.02 Pounds
Width4.25 Inches
Part NumberHW2025-8R

5. Tier1


Tier1 20x25x4 Merv 8 Pleated Dust & Pollen AC Furnace Air Filter 6 Pack

Tier1 #ad - Doesn't promote the growth of bacteria, mold, mildew, or fungi so they're a great choice for families with small children. Similar to the 3M Filtrete Dust & Pollen filter. 30 times more efficient than ordinary fiberglass filters at capturing the smallest, most troublesome particles 3-10 microns in size. Rated ul class 2 by Underwriters Laboratories.
BrandTier1 #ad
ManufacturerTier1 #ad
Height3.75 Inches
Length19.5 Inches
Weight30 Pounds
Width24.5 Inches
Part NumberP85S_642025_6_PACK

6. Flanders


MERV 4, 20 x 25 x 1-Inch, E-Z Flow Air Filter, 12-Pack

Flanders #ad - Pack of 12 disposable ul class II rated air filters designed for protection of furnace and central air units. Continuous chipboard design guards against corner separation while the one-sided metal media retainer adds to the filter strength. Compatible with hvac systems requiring filters sized 20" x 25" x 1". Each filter maintains efficiency for up to 30 days. Merv 4 rating: removes household dust, pollen, and lint.
BrandFlanders #ad
ManufacturerFlanders Corporation #ad
Height25 Inches
Length20 Inches
Weight6.5 Pounds
Width1 Inches
Part Number10155.012025



RAYAIR SUPPLY 16x25 MicroPower Guard Air Cleaner Replacement Filter Pads 3 Pack Yellow

RAYAIR SUPPLY #ad - Quality Material. Actual replacement pad size 14. 5" x 22. 5". Three 3 changes fiberglass media pads with activated carbon center per order. Free shipping. Replacement media designed To Fit MicroPower Guard 16x25 Air Cleaner.
ManufacturerRAYAIR SUPPLY #ad
Part Number1625MPG

8. Air Bear


20x25x5 by Trion, Trion Air Bear 255649-102 Replacement Filter

Air Bear #ad - Actual dimensions: 19 3/4 x 24 1/4 X 4 7/8. Trion air bear 255649-102 replacement Filter - 20x20x5. Merv 8 rated. Single Filter. Nominal dimensions: 20x25x5.
BrandAir Bear #ad
ManufacturerAir Bear #ad
Height4.78 Inches
Length19.75 Inches
Width24.25 Inches
Part Number255649-102



RAYAIR SUPPLY 16x25 Dynamic Air Cleaner Replacement Filter Pads 16X25 Refill 3 Pack White

RAYAIR SUPPLY #ad - Free shipping. Actual replacement pad size 14. 5" x 22. 5". Three 3 changes fiberglass media pads with activated carbon center per order. Dynamic compatible Replacement Media for a 16x25 Filter.
ManufacturerRAYAIR SUPPLY #ad
Length22.5 Inches
Weight2 Pounds
Width14.5 Inches
Part Number1625DW