Lennox Genuine OEM #X6673 Air Filter. 20" x 25" x 5". MERV 11
Nominal Size: 20X25X2
Exact Size: 19-3/4" x 24-3/4" x 4-3/8"
Merv 11, 98% efficient filtration media and can capture particles as small as 0.3 microns
Nominal Size: 20X25X2
Exact Size: 19-3/4" x 24-3/4" x 4-3/8"
Merv 11, 98% efficient filtration media and can capture particles as small as 0.3 microns