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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 5-13 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||
Ultra residential, best commercial, hospital & general surgery
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Average score based on 48 reviews
- Reviewed: 05/17/2022 by Valerie D
Perfect balance for high velocity air
When it comes to filters, there is a fine line between too much that taxes the unit, and not enough to filter the air. I find these filters the perfect balance. Honeywell products are always designed well and this is no exception.
- Reviewed: 05/09/2022 by carl &#38; w
keeps my furnace protected and my house clean
great service and a great product-grand slam!
- Reviewed: 04/19/2022 by Crowne
Excellent product and fast shipping.
- Reviewed: 04/08/2022 by Cynthia W
Pricey but best quality and less frequent changes
These thick filters are pricey but you don't have to change them as often as the thin ones. They are frequently not available in stores but ordering directly from Honeywell is the same price. They arrived in good condition and the last ones I bought from my local discount retailer was smashed so ordering online is the way to go. There are cheaper brands but Honeywell is by far the best quality.
- Reviewed: 03/11/2022 by David P
I have set these up as a recurring purchase so that I don't even have to think about getting new ones and never worry about the quality.
- Reviewed: 02/15/2022 by Mark C
Works as Claimed
It is a Merv 8. I tried to buy a Merv 10 but was not available. I would have preferred more filtration.
- Reviewed: 02/08/2022 by Carol T
Exactly what I need for my new furnace
- Reviewed: 01/10/2022 by Robert K
Seems to work fine. The whole process of purchasing this was easy and smooth.
- Reviewed: 11/10/2021 by George Y
This has been by far the best way to purchase air filters. We have 2 units at home so purchasing in bulk makes the most sense.
- Reviewed: 11/08/2021 by Dave
Shipping was fast for the furnace filters and came undamaged.