True Blue Allergen 18x25x1 Air Filter , MERV 11, 4-Pack
Brand: True Blue
18 x 25 x 1 Pleated air filter
Filters sub-micron airborne allergens like dust, dirt, pollen, pet dander, dust mite debris, microscopic allergens, smoke and smog
Performance allergen reduction filter
Lasts up to 120 days
Minimum efficiency reporting value or MERV rating is 11