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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 38 reviews
- Reviewed: 10/04/2021 by Virginia P
I have used these filters for many years in my air conditioner. They are a quality product living in Florida, they have to be good as they get used almost every day! A quality product and easy to order direct from Honeywell.
- Reviewed: 07/20/2021 by Kathleen F
Upgrade to the Best
Our HVAC technician recommended that we use Honeywell's four-inch high efficiency air filter, pointing out that the space in our system called for this deeper filter. Who knew? For years we were using the 1-inch. Delivery was very prompt, fit is perfect and we are breathing healthier!
- Reviewed: 07/09/2021 by Patti J
Honeywell Air Filter
I was very satisfied with ordering process and the Honeywell air filter. It was my first purchase and I will definitely order from them going forward.
- Reviewed: 06/04/2021 by Tyler C
Very happy with price and product!
- Reviewed: 05/07/2021 by CARMELO S
Product delivered in a timely manner and product I ordered. Thank you for the quality service.
- Reviewed: 08/27/2020 by Rose Burckhardt
Fits Just Fine
Delivery was very fast and the filter fits just fine.
- Reviewed: 08/13/2020 by Itay Kama
- Reviewed: 08/12/2020 by Howard Nearman
Arrived as ordered Performs as claimed
- Reviewed: 07/24/2020 by Curtis Szymczyk
A/C Filter Review
Fit and work well
- Reviewed: 07/16/2020 by RICHARD PETRUZZO
Terrific product, fast delivery. Very pleased!