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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.
MERV RATING | MIN. PARTICLE SIZE | TYPICAL CONTROLLED CONTAMINANT | TYPICAL APPLICATIONS |
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 |
Average score based on 26 reviews
honeowner
Reviewed: 10/28/2019 by Mark Businski
Great and reliable service with prompt delivery.
Air Filter
Reviewed: 10/14/2019 by Richard Petruzzo
Excellent product, quick delivery. Very pleased!
New Filters
Reviewed: 08/07/2019 by Timothy Heisler
Our home smells better and the air flow is wonderful. These filters are great.
Filter
Reviewed: 04/24/2019 by Richard Petruzzo
Terrific product, super fast shipment
Cf100a
Reviewed: 04/15/2019 by Alan Vicari
Exact size and MERV required. Delivery timely as anticipated.
Reviewed: 09/26/2018 by Marvelle Ditto
The filters arrived quickly and in good condition. Easy to install. Thank you!
furnace filter
Reviewed: 09/04/2018 by tommy smith
Honeywell fit a lot better than the off brand we used before.
Reviewed: 07/11/2017 by Sandy Drake
Item was just what I ordered
The best filter you can buy.
Reviewed: 05/01/2017 by Shawn Ivy
Honeywell makes the best filters, they trap virtually all dust, and pollen particles.
Filter Purchase
Reviewed: 04/26/2017 by Protection 1 Protection 1
Excellent service and product
VERY GOOD
Reviewed: 02/06/2017 by Dora Koepke
VERY GOOD
Reviewed: 01/27/2017 by Shawn Ivy
Great filter, I would highly recommend this product.
Furnace Filter
Reviewed: 01/04/2017 by Sharon petrowski
With the help of customer service I was was able to replace my old furnace filter which had fork like plastic things to hold the filter in place with one unit that fits perfectly. It should last a year! Couldn't be happier that it fit
Easy to install
Reviewed: 10/26/2016 by CAROL KELLEY
They processed my order quickly and they were easy to install.
Reviewed: 08/08/2016 by Marjorie Egarian
Happy with the product and customer service. Marjorie
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