Top 10 18x18x1 Air Filter – Furnace Filters

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1. Filtrete

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

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Filtrete #ad - Filtrete 300 mpr microparticle Performance Rating equates to MERV 5. Sign-up for a filter change reminder program that works for you! Packaging and filter media may vary for MPR 300 A dirty filter will slow down air flow and make the system work harder to keep you warm or cool - wasting energy.

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. Attracts and captures large particles such as lint, household dust, dust mite debris and mold spores.

For optimum performance, change your home air filter every 90 days or sooner. For residential use only. Exclusive filtrete brand 3-in-1 technology from 3M traps unwanted air particles, while letting cleaner air flow through. Outperforms fiberglass, air conditioner, washable and non-electrostatic 3-month pleated 1" air filters for your furnace, or HVAC system.
BrandFiltrete #ad
ManufacturerFiltrete #ad
Height17.81 Inches
Length17.81 Inches
Weight0.72 Pounds
Width0.81 Inches
Part NumberMPR 300
ModelBD17-6PK-2E

2. Filtrete

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Filtrete 18x24x1, MPR 300, 6-Pack exact dimensions 17.81 x 23.81 x 0.81, AC Furnace Air Filter, Clean Living Basic Dust

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Filtrete #ad - Packaging and filter media may vary for MPR 300 Microparticle performance rating MPR 300 equates to Minimum Efficiency Reporting Value MERV 5. Electrostatically charged fibers attracts and capture large airborne allergens like: Pollen, Household Dust, Lint. Ideal for high-velocity heating and cooling systems. Lasts up to 3 months.
BrandFiltrete #ad
Manufacturer3M #ad
Height17.81 Inches
Length23.81 Inches
Width0.81 Inches
Part NumberMPR 300
ModelBD21-6PK-1E

3. Aerostar

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

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Aerostar #ad - 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. 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.

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, pet dander, pollen, mold spores, dust mites, and dust. 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.

High performing - 100% synthetic electrostatic media for high efficiency with low air flow resistance. 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.
BrandAerostar #ad
ManufacturerFiltration Group #ad
Height1 Inches
Length18 Inches
Weight2.95 Pounds
Width18 Inches
Part Number18x18x1 MERV 8
Model18x18x1 MERV 8

4. FilterBuy

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

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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. 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. 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, lint, protecting your home or business from debris, mold, dander, pollen, and other forms of dust without impacting air flow.

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 NumberAFB18x18x1M8pk4
ModelAFB18x18x1M8pk4

5. FilterBuy

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FilterBuy 18x18x1 MERV 8 Pleated AC Furnace Air Filter, Pack of 2 Filters, 18x18x1 – Silver

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FilterBuy #ad - Afb silver merv 8, comparable with mPR 300 / 600 clean living and dust & pollen. High quality: filter frames are made of beverage board, which stays strong through humidity and temperatures up to 200° F.

Traps 90% of airborne particles: say goodbye to dust, debris, lint, pollen, and pet dander. Made in the usa: manufactured by FilterBuy in the USA using 100% American made components. Synthetic media provides significantly higher particulate efficiency than standard cotton media. 18x18x1 merv 8 pleated air filter for ac hvac or furnace pack of 2 filters. Long-lasting: designed to last up to 3 months. Say hello to better indoor air quality! Ideal for residential and commercial use.
BrandFilterBuy #ad
ManufacturerFilterBuy #ad
Part NumberAFB18x18x1M8pk2
ModelAFB18x18x1M8pk2

6. Nordic Pure

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Nordic Pure 18x18x1 MERV 12 Pleated AC Furnace Air Filters 6 Pack

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Nordic Pure #ad - Lasts up to 3 months, depending on your unique home or office environment. Merv 12 media is ideal for high efficiency air filtration and will help those with moderate allergies and asthma. Nordic pure merv 12 and fpr 9 is equivalent to MPR 1500-1900, ideal for normal filtration and helping those with mild allergies. 75 x 17. 75. Made in the USA. 75 x 0 . Nominal size: 18 x 18 x 1, actual size: 17 3/4 x 17 3/4 x 3/4 17.
BrandNordic Pure #ad
ManufacturerNordic Pure #ad
Height18 Inches
Length18 Inches
Weight4.41 Pounds
Width1 Inches
Part Number18x18x1M12-6
Model18x18x1

7. Filtrete

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Filtrete 24x24x1, MPR 300, 6-Pack exact dimensions 23.81 x 23.81 x 0.66, AC Furnace Air Filter, Clean Living Basic Dust

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Filtrete #ad - 300 mpr performance Rating. Ideal for high-velocity heating and cooling systems. Electrostatically charged fibers attracts and capture large airborne allergens like: Pollen, Household Dust, Lint. Lasts up to 3 months.
BrandFiltrete #ad
ManufacturerFiltrete #ad
Height23.81 Inches
Length23.81 Inches
Weight1 Pounds
Width0.66 Inches
Part NumberMPR 300
ModelBD12-6PK-1E

8. Filtrete

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Micro Allergen Defense, Filtrete 20x24x1, 2-Pack exact dimensions 19.81 x 23.81 x 0.81, MPR 1000, AC Furnace Air Filter

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Filtrete #ad - For optimal performance of your heating & cooling system or hvac system, change your home air filter at least every 90 days for 1 in. Sign-up for a filter change reminder program that works for you! For residential use only. Find your size: 1000 mpr available in 4in.

4in. Filters. Home air filters for your furnace, air conditioner or HVAC system. Simply use the app to scan the barcode on your filter’s packaging, 60 or 90 days for your replacement countdown. 1000 mpr has a rating of MERV 11. Outperforms fiberglass, washable and non-electrostatic 3-month pleated 1 in. 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.

And 5 in. A dirty filter will slow down air flow and make the system work harder to keep you warm or cool--wasting energy. Slim fit and 5in. Attracts and captures particles such as lint, dust, pollen, pet dander, smoke and smog. When the lifespan is up, then choose 30, you’ll get a notification to change your filter. Designed with exclusive filtrete brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through.
BrandFiltrete #ad
Manufacturer3M CHIMD #ad
Height19.81 Inches
Length23.81 Inches
Weight1.1 Pounds
Width0.81 Inches
Part NumberAD26-2PK-6E
ModelAD26-2PK-6E
WarrantyAs labelled

9. MervFilters

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MPR 600, MervFilters 14x18x1 Air Filter, 6 Pack, AC Furnace Air Filter, MERV 8

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MervFilters #ad - Actual size is: 13 ½” x 17 ½” x ¾”. Advanced pleated technology: pleated filters deliver multiple benefits – greater surface area means more air coverage, thicker for great capture capacity, and extended life for your AC or furnace.

They are very easy to replace and can be changed more often for homes with children or those who suffer from allergies. Long lasting usage: each filter has a lifespan of over 3 months of resilient filtration. Create a cleaner environment: entrap airborne particles that bring harm to you and your loved ones with our Merv 8 pleated air filters that capture dust, lint and pollen.

Universally compatible: this air conditioner, furnace and hvac filter works with almost any brand. Premium construction: made in usa with 100% American components to ensure top quality performance. It is comparable to the 3m filtrete mpr 300 clean Living, MPR 600 Dust & Pollen and the Honeywell FPR 5 models. Electrostatically charged synthetic fibers attract large particles without absorbing moisture.
BrandMervFilters #ad
ManufacturerMervFilters #ad
Height17.5 Inches
Length13.5 Inches
Width0.75 Inches
Part NumberMF141816

10. Flanders

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Flanders PrecisionAire 84857.011218 12 by 18 by 1 NaturalAire with Baking Soda, 4-Pack

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Flanders #ad - Merv 8 rating: removes household dust, pollen, dirt, mold spores and more. V-pleats provide large media surface area for more effective filtration while keeping airflow resistance low. Pack of 4 air filters designed with baking soda media to control, absorb, and eliminate offensive odors. Compatible with hvac systems requiring filters sized 12" x 18". Each filter maintains efficiency for up to 90 days. Experience the clean air difference.
BrandFlanders #ad
ManufacturerFlanders Corporation #ad
Height18 Inches
Length12 Inches
Width1 Inches
Part Number84857.011218
Model84857.011218