Product: AAF Flanders EZ Flow 20 in. H x 20 in. W x 1 in. D Fiberglass 4 MERV Air Filter (Pack of 12)
Brand: Flanders
AAF Flanders EZ Flow 20 in. H x 20 in. W x 1 in. D Fiberglass 4 MERV Air Filter

Search query: 18x20x1 air filter
Relevance: Substitute