Description
Koch Air Filter 16 x 20 x 1 MERV 13 Pleated Air Filter 12 Pack Geothermal Air Filters Measured at 10 feet downstream: DFS CAR SF461x2 FF685x4 BNDLKIT CPP3PGSC Measured at 10 feet downstream: ≤0 each pack includes two filters For instructions on changing your furnace's air filter The Koch Multi Pleat XL13 filters are UL 900 Class 2 listed