Carrier 58MTB furnace filter sizes
58MTB furnaces take 16 x 25 x 1 (3/4 in. actual) or 20 x 25 x 1 (3/4 in. actual) or 24 x 25 x 1 (3/4 in. actual) filters, depending on cabinet width and return.
Pick your full model number below for the exact size.
A 16 x 25 x 1 (3/4 in. actual) filter (side (upflow only) return) or a 16 x 25 x 1 (3/4 in. actual) filter (bottom return)
A 16 x 25 x 1 (3/4 in. actual) filter (side (upflow only) return) or a 20 x 25 x 1 (3/4 in. actual) filter (bottom return)
A 16 x 25 x 1 (3/4 in. actual) filter (side (upflow only) return) or a 24 x 25 x 1 (3/4 in. actual) filter (bottom return)