Honeywell 18x20x1 Ultra Efficiency Allergen MERV 13 Air Filter - 12 Pack
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- Premium 1 inch air cleaning filter with a MERV 13 rating.
- Captures high percentage of airborne particles and allergens.
- Electrostatically charged to effectively catch and trap dust particles.
- Each filter lasts up to 3 months.
- Easy flow energy efficiency with a heavy duty frame.
- Actual Dimensions (inches): 17.75 x 19.75 x 0.75
- This air filter is effective against the following contaminants:
- Dust/Lint
- Airborne Dust Mite Debris
- Pollen
- Pet Dander
- Mold Spores
- Bacteria
- Microscopic Allergens
- Virus Carriers
- Most Smoke
- Odor
- Smog Particles
Honeywell Ultra Efficiency Allergen MERV 13 Air Filters (12 Pack)
Capturing a high percentage of airborne particles and allergens, this selection of Honeywell Ultra Efficiency Allergen Air Filters features a MERV 13 Rating. Premium 1 in. air cleaning filters are electrostatically charged to capture and trap dust particles while remaining effective against a series of other contaminants. Showcasing durability and overall effectiveness, these air filters offer easy flow energy efficiency and a heavy duty frame. Honeywell Ultra Efficiency Allergen Air Filters each last up to 3 months. Please be certain to measure the filters you are replacing or your filter boot to make sure it's an exact match.
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 |
- Filters are made in the USA
- Recommended dimensions to fit: 18 x 20 x 1 in.
- Actual dimensions: 17.75 x 19.75 x 0.75 in.
- Count: 12 Pack
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2 Customer Reviews
4.5 Overall rating
Honeywell 18x20x1 Ultra Efficiency Allergen MERV 13 Air Filter - 12 Pack Reviews
Nicholas L
May 18, 2023Great air filters.
We switched from the generic filters that came with the new build and switched to these. I'm glad I did. Filters so much more and keeps the house without odors. I would never use a different air filter ever again.
David C
January 4, 2023Filter Order
These filters were a good choice. I was happy with the filters and would order them again.