Product: Nordic Pure 18x20x1 MERV 8 Pleated AC Furnace Air Filters 6 Pack
Brand: Nordic Pure
Actual Size: 17 1/2 x 19 1/2 x 3/4
Attracts indoor allergens, dust, pollen and other airborne contaminants.
Hypoallergenic and pleated electrostatic filter material
Nordic Pure recommends changing 1” air filters every 30-90 days
Proudly Made in the USA

Search query: 18 x 30 x 1 air filter
Relevance: Substitute