Nominal Size 20x25 (4" & 5" Depths)
We have options in this size. Choose the one that matches yours.
These air filters are specific to ACTUAL SIZE. Measure before ordering
Air Bear Replacement
Air Filter
ACTUAL SIZE
19 3/4 X 24 1/4 X 4 7/8
(19.75 X 24.25 X 4.88)
Lennox (Red) Replacement
Air Filter
ACTUAL SIZE
19 3/4 X 24 3/4 X 4 3/8
(19.75 X 24.75 X 4.38)
Honeywell /
Lennox Replacement
ACTUAL SIZE
19 7/8 X 24 7/8 X 4 3/8
(19.88 X 24.88 X 4.38)
