Product Description
Comparable to a Merv 11(Ashrae 52.2) the 3M Ultra Allergen is the highest rated of the 3M filters. Designed to capture microscopic, as well as large allergens. The 3M Filtrete Ultra Allergen is non-restrictive, making it excellent for residential applications.
Additional Information
| SKU | 3MUA22221 |
|---|---|
| Market | Residential |
| Construction/Style | Mini-Pleat |
| Nominal Size | 22x22x1 |
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