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Top 10 18×18 Furnace Filters – Furnace Filters

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1. Filtrete

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Clean Living Basic Dust, AC Furnace Air Filter, MPR 300, Filtrete 18x18x1, 6-Pack exact dimensions 17.81 x 17.81 x 0.81

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Filtrete #ad - For optimum performance, change your home air filter every 90 days or sooner. Exclusive filtrete brand 3-in-1 technology from 3M traps unwanted air particles, while letting cleaner air flow through.

For residential use only. A dirty filter will slow down air flow and make the system work harder to keep you warm or cool - wasting energy. Sign-up for a filter change reminder program that works for you! Packaging and filter media may vary for MPR 300 The higher the mpr, smoke, the more microparticles - such as pollen, pet dander, bacteria and viruses - your filter will capture from the air passing through it.

Attracts and captures large particles such as lint, household dust, dust mite debris and mold spores. Outperforms fiberglass, air conditioner, washable and non-electrostatic 3-month pleated 1" air filters for your furnace, or HVAC system. Filtrete 300 mpr microparticle Performance Rating equates to MERV 5.
BrandFiltrete #ad
ManufacturerFiltrete #ad
Height17.81 Inches
Length17.81 Inches
Weight0.72 Pounds
Width0.81 Inches
Part NumberMPR 300
ModelBD17-6PK-2E

2. FilterBuy

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FilterBuy 18x18x1 Air Filter MERV 8, Pleated HVAC AC Furnace Filters 4-Pack, Silver

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FilterBuy #ad - High-quality construction features an electrostatically charged, pleated design that captures more harmful particles and prolongs the products lifespan by 3 times that of fiberglass models. The filterbuy replacement air filter 18x18x1 actual measurements: 17.

75" x 17. 75" x 075" ensures that your furnace, air conditioner, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy lifestyle. Merv 8 synthetic media comparable with clean living dust defense mpr 300 - 600 is recommended in most scenarios due to its capability to trap 90% of airborne particles, mold, protecting your home or business from debris, dander, pollen, lint, and other forms of dust without impacting air flow.

All components are 100% manufactured within the United States and designed with recyclable materials providing an eco-friendly alternative to enhancing air quality. Industrial-grade beverage board frames paired with dual wire backings outperform traditional cardboard compositions by improving structural integrity with their ability to endure temperatures up to 200 degrees Fahrenheit.
BrandFilterBuy #ad
ManufacturerFilterBuy #ad
Height0.75 Inches
Length17.75 Inches
Width17.75 Inches
Part NumberAFB18x18x1M8pk4
ModelAFB18x18x1M8pk4

3. Nordic Pure

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Nordic Pure 18x18x1 MERV 8 Pleated AC Furnace Air Filters 6 Pack

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Nordic Pure #ad - Removes lint, dust mites, pollen, dust, bacteria, pet dander, mold spores and other contaminants. Lasts up to 3 months, depending on your unique home or office environment. 75 x 075. Nominal size: 18 x 18 x 1, actual size: 17 3/4 x 17 3/4 x 3/4 17. Merv 8 and fpr 6 is equivalent to MPR 80075 x 17. Made in the USA.
BrandNordic Pure #ad
ManufacturerNordic Pure #ad
Height0.75 Inches
Length17.75 Inches
Weight4.41 Pounds
Width17.75 Inches
Part Number18x18x1M8-6
Model18x18x1

4. FilterBuy

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Silver, Pleated HVAC AC Furnace Filters 6-Pack, FilterBuy 18x18x1 Air Filter MERV 8

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FilterBuy #ad - Merv 8 synthetic media comparable with clean living dust defense mpr 300 - 600 is recommended in most scenarios due to its capability to trap 90% of airborne particles, dander, protecting your home or business from debris, lint, pollen, mold, and other forms of dust without impacting air flow.

High-quality construction features an electrostatically charged, pleated design that captures more harmful particles and prolongs the products lifespan by 3 times that of fiberglass models. The filterbuy replacement air filter 18x18x1 actual measurements: 17. 75" x 17. 75" x 075" ensures that your furnace, air conditioner, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy lifestyle.

Industrial-grade beverage board frames paired with dual wire backings outperform traditional cardboard compositions by improving structural integrity with their ability to endure temperatures up to 200 degrees Fahrenheit. All components are 100% manufactured within the United States and designed with recyclable materials providing an eco-friendly alternative to enhancing air quality.
BrandFilterBuy #ad
ManufacturerFilterBuy #ad
Height0.75 Inches
Length17.75 Inches
Width17.75 Inches
Part NumberAFB18x18x1M8pk6
ModelAFB18x18x1M8pk6

5. FilterBuy

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Gold, Pleated HVAC AC Furnace Filters 4-Pack, FilterBuy 18x18x1 Air Filter MERV 11

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FilterBuy #ad - Industrial-grade beverage board frames paired with dual wire backings outperform traditional cardboard compositions by improving structural integrity with their ability to endure temperatures up to 200 degrees Fahrenheit. High-quality construction features an electrostatically charged, pleated design that captures more harmful particles and prolongs the products lifespan by 3 times that of fiberglass models.

Merv 11 synthetic media comparable with micro allergen defense mpr 800 - 1200 is recommended if you have pets or allergies due to its capability to trap 95% of airborne particles, smog, pollen, dander, mold, debris, lint, protecting your home or business from smoke, and other forms of dust without impacting air flow.

All components are 100% manufactured within the United States and designed with recyclable materials providing an eco-friendly alternative to enhancing air quality. The filterbuy replacement air filter 18x18x1 actual measurements: 17. 75" x 17. 75" x 075" ensures that your furnace, air conditioner, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy lifestyle.
BrandFilterBuy #ad
ManufacturerFilterBuy #ad
Height0.75 Inches
Length17.75 Inches
Width17.75 Inches
Part NumberAFB18x18x1M11pk4
ModelAFB18x18x1M11pk4

6. Flanders

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E-Z flow II 18x18x1 Air Filter

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Flanders #ad - Flat Panel. 30 day Filter. No metal Media Retainers. No metal Media Retainers. Ez flow ii spun fiberglass Disposable Furnace Filter.
BrandFlanders #ad
ManufacturerFlanders-Precisionaire #ad
Height1 Inches
Length18 Inches
Width18 Inches
Part Number10055-011818
ModelTRVAL54538

7. Nordic Pure

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Nordic Pure 18x25x1 MERV 12 Pleated AC Furnace Air Filters 6 Pack

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Nordic Pure #ad - Hypoallergenic and antimicrobial pleated electrostatic filter material. Nominal size: 18 x 25 x 1, actual size: 17 1/2 x 24 1/2 x 3/4 17. 5 x 24. 5 x 075. Nordic pure recommends changing 1” air filters every 30-90 days. Attracts indoor allergens, dust, pollen and other airborne contaminants. Made in the USA.
BrandNordic Pure #ad
ManufacturerNordic Pure #ad
Height25 Inches
Length18 Inches
Weight4.41 Pounds
Width1 Inches
Part Number18x25x1M12-6
Model18x25x1
WarrantyPlease Contact the seller directly for warranty information about this product

8. FilterBuy

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Pleated HVAC AC Furnace Filters 2-Pack, FilterBuy 18x18x1 Air Filter MERV 8, Silver

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FilterBuy #ad - All components are 100% manufactured within the United States and designed with recyclable materials providing an eco-friendly alternative to enhancing air quality. The filterbuy replacement air filter 18x18x1 actual measurements: 17.

75" x 17. 75" x 075" ensures that your furnace, air conditioner, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy lifestyle. Merv 8 synthetic media comparable with clean living dust defense mpr 300 - 600 is recommended in most scenarios due to its capability to trap 90% of airborne particles, protecting your home or business from debris, mold, pollen, lint, dander, and other forms of dust without impacting air flow.

High-quality construction features an electrostatically charged, pleated design that captures more harmful particles and prolongs the products lifespan by 3 times that of fiberglass models. Industrial-grade beverage board frames paired with dual wire backings outperform traditional cardboard compositions by improving structural integrity with their ability to endure temperatures up to 200 degrees Fahrenheit.
BrandFilterBuy #ad
ManufacturerFilterBuy #ad
Height0.75 Inches
Length17.75 Inches
Width17.75 Inches
Part NumberAFB18x18x1M8pk2
ModelAFB18x18x1M8pk2

9. Filtrete

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Filtrete 18x18x1, Clean Living Dust Reduction, MPR 600, 6-Pack exact dimensions 17.81 x 17.81 x 0.81, AC Furnace Air Filter

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Filtrete #ad - Designed with exclusive filtrete brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through. Sign-up for a filter change reminder program that works for you! For residential use only. Change filter at least every 90 days for optimal performance of your heating & cooling system or HVAC system.

Attracts and captures large particles such as lint, household dust, dust mite debris and mold spores. A dirty filter will slow down air flow and make the system work harder to keep you warm or cool - wasting energy. Mpr 600 has a rating of MERV 7. The higher the mpr, smoke, the more microparticles - such as pollen, pet dander, bacteria and viruses - your filter will capture from the air passing through it.

Simply use the app to scan the barcode on your filter’s packaging, then choose 30, 60 or 90 days for your replacement countdown. When the lifespan is up, you’ll get a notification to change your filter. Create a change countdown in the filtrete smart app. Outperforms fiberglass, washable and non-electrostatic 3-month pleated 1 in. Air filters for your furnace, air conditioner or HVAC system.
BrandFiltrete #ad
Manufacturer3M CHIMD #ad
Height17.81 Inches
Length17.81 Inches
Width0.81 Inches
Part NumberMPR 600
ModelDR17-6PK-1E

10. Aerostar

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Aerostar Clean House 18x18x1 MERV 8 Pleated Air Filter, Made in the USA, Actual Size: 17 3/4"x17 3/4"x3/4", 6-Pack,White

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Aerostar #ad - Aerostar filters are a simple to install and cost-effective step towards a healthier home environment, free of airborne allergens and particles that can trigger various allergy and asthma symptoms. Check your fit - nominal size: 18x18x1; actual size: 17 3/4"x17 3/4"x3/4"; This MERV 8 filter is comparable with MPR 600 & FPR 5.

Made in the usa - aerostar filters are manufactured in the USA by Filtration Group, a world-leading manufacturer and supplier of filtration solutions for residential, commercial and industrial applications. Improve indoor air quality - protect your family and loved ones with clean indoor air quality at home. Superior filtration efficiency - aerostar filters are made with electrostatically charged synthetic material that draws and captures allergens including lint, dust mites, pet dander, pollen, mold spores, and dust.

High performing - 100% synthetic electrostatic media for high efficiency with low air flow resistance. For best results, change your filters every 60 to 90 days during normal times of year but increase frequency to 30 days during peak summer and winter months when your unit is working the hardest.
BrandAerostar #ad
ManufacturerFiltration Group #ad
Height1 Inches
Length18 Inches
Weight2.95 Pounds
Width18 Inches
Part Number18x18x1 MERV 8
Model18x18x1 MERV 8