$46.00 (as of September 10, 2018, 12:33 am) $43.06
Up to 30-times more efficient at capturing allergens than ordinary fiberglass filters. Uniform pleat shape enhances dust holding capacity and maximizes air flow. Heavy duty construction frame prevents airflow bypass. This product is listed and rated by Underwriters Laboratories as U.L. Class 2.
98% efficient filtration media capturing particles as small as 0.3 microns before they can collect on your coils
High-efficiency alternative to one-inch filters
Fits the X6660 HCC20-28 Air Cleaner
MERV 8 filtration
Nominal: 20″ x 20″ x 5″
Actual: 20 11/16″ x 19 3/4″ x 5″
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3M’s best overall quality filter
Meets the American Lung Association Health House program Indoor Air Quality Guidelines
