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  • Easy Flow Energy Efficiency: heavy duty frame and reinforced filter.
  • Honeywell Standard Household Air Filter carries a 15% microparticle capture rating - higher than any competing model.
  • Outperforms all other filters in its class.
  • Lasts up to 3 months.
  • Actual Dimensions: 19.50 x 19.50 x 0.90 in.
The Honeywell CF108A2020/A Standard Air Cleaning Filter MERV 8 utilizes Easy Flow Energy Efficiency to capture an unprecedented amount of household airborne particles. Featuring a 15% microparticle capture rating, this air filter outperforms all other competing models 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 use.

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

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CF108A2020/A customer reviews

Overall Rating

10 Reviews
10 customers recommend this product
Honeywell CF108A2020/A Standard Air Cleaning 1 Inch Filter MERV 8 - 20x20x1 Reviews
Ovidiu Marinescu
October 14, 2019
Verified Purchase

Great product - works well, good quality and fits perfectly. Easy shopping.

Natalie Jorjoliani
March 15, 2019
Verified Purchase
Great price

Buying directly from Honeywell was much cheaper than Home Depot or Amazon. Highly recommend.

Cory Dresser
February 11, 2019
Verified Purchase
Air filter

Have not used them yet. Arrived on time as requested.

James Eaves
January 1, 2019
Verified Purchase
Great filters fast delivery

I ordered six of these filters on line. They arrived quickly and in perfect shape. I will order more filters from Honeywell when the time comes.

November 26, 2018
Verified Purchase
Fast Delivery, Good Condition

I was initially concerned that the filters would get damaged in shipment, but they arrived in perfect condition. I did order six, so they were in a larger box. I ordered on Sunday and they arrived on Wednesday. Filter performance is fine so far.

Patrick Smith
October 1, 2018
Verified Purchase
Great Product

These filters are great and has helped my son's asthma. We change them every 2-3 months.

Craig Lowy
April 11, 2017
Verified Purchase
Good price Good product

Seem to be of good quality. So far no issues

Delia Montenegro
January 31, 2017
Verified Purchase

How convenient it is to purchase these efficient filters! They are easy to change and I was even sent a reminder email to reorder just before my supply ran out.

April 12, 2016
Verified Purchase
Value priced

Love this product.

Sue Donyn
November 30, 2011

filter works well order came in good time good price would definitely recommend

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