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  • Easy Flow Energy Efficiency: Heavy duty frame and reinforced filter.
  • Filter carries a 15% microparticle capture rating - higher than any competing model.
  • Outperforms all other filters in its class.
  • Honeywell Standard carrys a 15% microparticle capture rating which is higher than any competing model.
  • Lasts Up To 3 Months.
  • Actual Dimensions (Inches): 13.38 x 19.50 x 0.90
The Honeywell CF108A20/A Standard Air Cleaning Filter MERV 8 utilizes Easy Flow Energy Efficiency to capture an unprecedented amount of household airborne particles. Featuring a filter that carries a 15% microparticle capture rating, this is the absolute premier model to install and trumps all other competing filters in its class. This is matched by a level of 71% efficiency at filtering air particles flowing in large households such as pollen, household dust, airborne dust mite debris, mold spores, common allergens, clothing fibers and carpet fibers. These filters also have an incredibly durable and efficient lifespan that can reach up to 3 months of undisturbed use. Establish an unrivaled breathing experience for you and your loved ones with Honeywell and their second to none series of Filters.

MERV = 'Minimum Efficiency Reporting Value' this is used to rate the overall effectiveness of an Air Filter. Below you will find a table that measures the MERV strength and tells you the Application of each unit's effectiveness. In general an Air Filter with a higher MERV Rating is more effective and has a broader application, but most residential homes will find the best use from an air filter between the 5-12 MERV rating.

1 - 4 > 10.0 Micrometers Pollen, dust mites, cockroach debris, sanding dust, spray paint dust, textile fibers, carpet fibers Residential window AC units
5 - 8 10.0 - 3.0 Micrometers Mold, spores, dust mite debris, cat and dog dander, hair spray, fabric protector, dusting aids, pudding mix Better residential, general commercial, industrial workspaces
9 - 12 3.0 - 1.0 Micrometers Legionella, Humidifier dust, Lead dust, Milled flour, Auto emission particulates, Nebulizer droplets Superior residential, better commercial, hospital laboratories
13 - 16 1.0 - 0.3 Micrometers Bacteria, droplet nuclei (sneeze), cooking oil, most smoke and insecticide dust, most face powder, most paint pigments Hospital & general surgery
17 - 20 < 0.3 Micrometers Virus, carbon dust, sea salt, smoke Electronics & pharmaceutical manufacturing cleanroom
Product Specs
Furnace Filters for HVAC Systems
Honeywell CF108A1420/A Standard Air Cleaning 1 Inch Filter MERV 8 - 14x20x1 Video

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CF108A1420/A customer reviews

Overall Rating

4 Reviews
4 customers recommend this product
Honeywell CF108A1420/A Standard Air Cleaning 1 Inch Filter MERV 8 - 14x20x1 Reviews
Joe Coscia
December 12, 2016
Verified Purchase
Excellent Filters

Can't find a better filter anywhere

Thomas Garvey III
June 28, 2016
Verified Purchase
More Fabulous Experience

Easier, faster, more accurate.

James P Varn Jr
September 23, 2013
Verified Purchase
Air Filters

Very good filter for a good price.

LouAnne Turdowski
November 30, 2011
Clean air!

Really DOES work better than what I was using. Thank you!

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