18x30x1 (17.5x24.5) MERV 11 Air Filter/Furnace Filters (4 pack)
Brand: Filters Now

Electrostatically charged filters. Great for helping reduce airborne allergens. Lasts up to 3 months! Made in the USA.

Electrostatically charged filter
Great for helping reduce airborne allergens
Lasts up to 3 months!
Made in the USA