Top 10 18×18 Air Filter 6 Pack – Furnace Filters

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1. Tier1

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Tier1 18x22x1 Merv 13 Pleated Air/ Furnace Filter -6 Pack

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Tier1 #ad - Made in the u. S. A. Electrostatically charged filter media that doesn't promote the growth of bacteria, mildew, mold, or fungi so they're a great choice for families with small children. Actual size: 17. 5x21. 5x. 75. Easy installation: Easy to replace and install. More efficient than our merv 11 filter, and captures even the tiniest particles less than 1 micron in size. With automated manufacturing to ensure consistent construction.
BrandTier1 #ad
ManufacturerTier1 #ad
Height0.75 Inches
Length17.5 Inches
Weight30 Pounds
Width21.5 Inches
Part NumberP25S_611822_6_PACK

2. Tier1

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Tier1 18x22x1 Merv 8 Pleated Air/ Furnace Filter -6 Pack

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Tier1 #ad - Electrostatically charged filter media that doesn't promote the growth of bacteria, mold, mildew, or fungi so they're a great choice for families with small children. With automated manufacturing to ensure consistent construction. Actual size: 17. 5x21. 5x. 75. 30 times more efficient than ordinary fiberglass filters at capturing the smallest, most troublesome particles 3-10 microns in size. Easy installation: Easy to replace and install. Made in the u. S. A.
BrandTier1 #ad
ManufacturerTier1 #ad
Height0.75 Inches
Length17.5 Inches
Weight30 Pounds
Width21.5 Inches
Part NumberP85S_611822_6_PACK

3. Carrier

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6 Pack, Carrier KH01AA365 A/C Air Filter 18x24x2

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Carrier #ad - Kh01aa365 carrier air filter 18x24x2, 12 pack. Replaces kh01AA075. Hvac, furnace Air Filter. Carrier, Bryant.
BrandCarrier #ad
ManufacturerCarrier #ad
Height25 Inches
Length16 Inches
Weight0.4 Pounds
Width2 Inches
Part NumberKH01AA367
ModelKH01AA367

4. AIRX FILTERS WICKED CLEAN AIR.

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AIRx ALLERGY 18x20x1 MERV 11 Pleated Air Filter, Made in the USA, Box of 6

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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 17. 5" x 19. 5" x. 75".
BrandAIRX FILTERS WICKED CLEAN AIR. #ad
ManufacturerAiRx #ad
Height0.75 Inches
Length17.5 Inches
Weight0.58 Pounds
Width19.5 Inches
Part NumberALLERGY-182001-6
ModelALLERGY-182001-6
Warranty1 year manufacturer

5. Accumulair

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Accumulair Emerald 18x24x1 17.75x23.75 MERV 6 Air Filter/Furnace Filter

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Accumulair #ad - Each filter lasts up to 3 months. Captures a wide variety of airborne allergens including dust, pet dander, mold, and dust mites. Merv 6 rating. Economical, high-capacity media makes this filter an ideal upgrade from standard fiberglass throwaways.
BrandAccumulair #ad
ManufacturerAccumulair #ad
Weight0 Pounds
Part NumberFC18X24

6. TerraBloom

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Homes, Commercial Applications., Airflow up to 550 CFM. Premium Carbon Air Filtration From Odors, Chemical Smell for Grow Tents, TerraBloom Carbon Filter 6" x 24" Long, VOCs, 46mm Thick Charcoal Bed

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TerraBloom #ad - Terrabloom premium carbon filters have industry leading 1. 8” 46mm deep carbon bed that is at least 20% thicker than competition. Recommended for medium to large grow tents with footprint of 5x5 ft, 6x6 ft, 8x8ft or commercial cultivation facilities of similar size.

It can handle airflow rates up to 550 CFM. Whether you want to use it as an exhaust or intake. 6 x 24 inch model has a gross weight of 18 lbs and contains 11. 6 lbs of carbon inside. For seamless operation pair this filter with TerraBloom 6” EC Fan, model ECMF-150 You can pull air though the filter and out or push air into the filter and out of your grow room, it will work just as well. We use only highest grade, laser engraving, which gives you better adsorption and superior carbon porosity to capture odors, granular Australian activated charcoal, vocs and other airborne pollutants in growing, food processing and manufacturing applications.

Our filters scrub air better and have longer lifespan. This charcoal scrubber can be installed both inside and outside the grow tent and is capable of filtering air in both directions.
BrandTerraBloom #ad
Part NumberTB-CF-624
ModelTB-CF-624

7. LifeSupplyUSA

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18x20x1 Aluminum Electrostatic Air Filter Replacement Washable Air Purifier A/C Filter for Central HVAC by LifeSupplyUSA

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LifeSupplyUSA #ad - Rugged aluminum frame prevents corrosion or rust to the filter, while the mesh design makes the filter easier to wash and maintain. Great air quality: rated at merv 8 - Best to purify the air and efficient for a Healthier Home Environment.

Easy to install and clean: 18" x 20" x 1" - filter is symmetrical, can be installed facing which ever side. Most effective: self-charging, these electrostatic air filters use air and static electricity to capture airborne particles, helping to improve your home's ventilation efficiency. Recommended every 1-3 months to vacuum or spray with a low-pressure hose and rinse off thoroughly with water.

Used by professionals: lifesupplyusa electrostatic air filters are made tough heavy duty aluminum frame with mesh design to be durable & efficient for years. Be sure to let the filter completely dry before re-installing. Save money: air filters are designed with high quality components to protect your AC HVAC or Furnace, Increase Airflow, and Reduce HVAC Stress.
BrandLifeSupplyUSA #ad
ManufacturerLifeSupplyUSA #ad
Part NumberER829V

8. LifeSupplyUSA

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18x24x1 Aluminum Electrostatic Air Filter Replacement Washable Air Purifier A/C Filter for Central HVAC – Improve airflow & Furnace longevity by LifeSupplyUSA

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LifeSupplyUSA #ad - Recommended every 1-3 months to vacuum or spray with a low-pressure hose and rinse off thoroughly with water. Easy to install and clean: 18" x 24" x 1" - filter is symmetrical, can be installed facing which ever side.

Most effective: self-charging, these electrostatic air filters use air and static electricity to capture airborne particles, helping to improve your home's ventilation efficiency. Used by professionals: lifesupplyusa electrostatic air filters are made tough heavy duty aluminum frame with mesh design to be durable & efficient for years. Be sure to let the filter completely dry before re-installing.

Rugged aluminum frame prevents corrosion or rust to the filter, while the mesh design makes the filter easier to wash and maintain. Save money: air filters are designed with high quality components to protect your AC HVAC or Furnace, Increase Airflow, and Reduce HVAC Stress. Great air quality: rated at merv 8 - Best to purify the air and efficient for a Healthier Home Environment.
BrandLifeSupplyUSA #ad
ManufacturerLifeSupplyUSA #ad
Height1 Inches
Length24 Inches
Weight2.69 Pounds
Width18 Inches
Part NumberER623

9. Nordic Pure

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

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Nordic Pure #ad - Lead/handling Time - 5. Nordic pure recommends changing 4" air filters every 3-6 months. Hypoallergenic and pleated electrostatic filter material. Proudly made in the USA. 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. Attracts indoor allergens, dust, pollen and other airborne contaminants.
BrandNordic Pure #ad
ManufacturerNordic Pure #ad
Height19.5 Inches
Length24.5 Inches
Weight3.52 Pounds
Width3.63 Inches
Part Number20x25x4M12-2
Model20x25x4 (3 5/8)

10. Extolife

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Extolife Replacement Filter for Shop-Vac 90350 90304 90333 Replacement fits most Wet/Dry Vacuum 5 Gallon and above

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Extolife #ad - Compatible with shop-vac 90340 sl16-575a ss11-450 ss12-300a ss14-350a ss14-550a ss14-600c 16rt500a 16rtp550a 4045ah 85l450 85l575 ss16-450 ss16-550a ss16-650c 86em350 86l500a 86m350 86mt600c 86st450 87l500a 87l650c 87m350 87p500a 87p650c 92l550a 92l650c 92p650c blb550 blb560c ch87-650c lb650c msc85em300 msc85l450 msc85l500 msc85l600c msc85m250b mscqPL55 MSCSS12-250 Designed for shop-vac 90304 / 90350 / 90333 filters; Fits for Shop Vac most 5 Gallon+ Wet/Dry Vacuum;.

Compatible with shop-vac type u 9030400, models blb450, ss12-350a, ss16-sq650, ss16-sq550, type w 9034000 filters, ssp16-600c, ssp16-500a, type x 9035000, ss14-450, 86MTSQ550;.
BrandExtolife #ad
ManufacturerExtolife #ad