Accumulair Emerald 16x25x4 (15.5x24.5x3.75) MERV 6 Air Filter/Furnace Filters (4 pack)
Economical, high-capacity media makes this filter an ideal upgrade from standard fiberglass throwaways. Rugged and durable. Will not warp or leak under normal operating conditions. Excellent for high-velocity systems and maximum air flow.