Carrier 58TN0A furnace filter sizes
58TN0A furnaces take 14 x 25 x 1 (3/4 in. actual) or 16 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 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 return) or a 14 x 25 x 1 (3/4 in. actual) filter (bottom return)
A 16 x 25 x 1 (3/4 in. actual) filter (side return) or a 24 x 25 x 1 (3/4 in. actual) filter (bottom return)
Source
- Carrier 58TN0A-02SI Installation, Start-up, Operating and Service and Maintenance Instructions (installation manual, page 40): document. Read 2026-11-03.
- 58TN0A Product Data (58TN0A-03PD), Accessories list (washable unframed filter by unit size) (product data / spec sheet, page 4-5): document. Read 2026-11-03.