Find your air filter size
Every common furnace and AC filter size, plus any custom size from 4" up to 30" × 36", made to order. The size to order is printed on the edge of your old filter.
1" deep
- 10×10×1 (actual 9.75 × 9.75 in)
- 10×20×1 (actual 9.75 × 19.75 in)
- 10×24×1 (actual 9.75 × 23.75 in)
- 10×30×1 (actual 9.75 × 29.75 in)
- 12×12×1 (actual 11.75 × 11.75 in)
- 12×20×1 (actual 11.75 × 19.75 in)
- 12×24×1 (actual 11.75 × 23.75 in)
- 12×25×1 (actual 11.75 × 24.75 in)
- 12×30×1 (actual 11.75 × 29.75 in)
- 12×36×1 (actual 11.75 × 35.75 in)
- 14×14×1 (actual 13.75 × 13.75 in)
- 14×20×1 (actual 13.75 × 19.75 in)
- 14×24×1 (actual 13.75 × 23.75 in)
- 14×25×1 (actual 13.75 × 24.75 in)
- 14×30×1 (actual 13.75 × 29.75 in)
- 15×20×1 (actual 14.75 × 19.75 in)
- 15×25×1 (actual 14.75 × 24.75 in)
- 16×16×1 (actual 15.75 × 15.75 in)
- 16×20×1 (actual 15.75 × 19.75 in)
- 16×24×1 (actual 15.75 × 23.75 in)
- 16×25×1 (actual 15.75 × 24.75 in)
- 16×30×1 (actual 15.75 × 29.75 in)
- 16×36×1 (actual 15.75 × 35.75 in)
- 18×18×1 (actual 17.75 × 17.75 in)
- 18×20×1 (actual 17.75 × 19.75 in)
- 18×24×1 (actual 17.75 × 23.75 in)
- 18×25×1 (actual 17.75 × 24.75 in)
- 18×30×1 (actual 17.75 × 29.75 in)
- 20×20×1 (actual 19.75 × 19.75 in)
- 20×22×1 (actual 19.75 × 21.75 in)
- 20×24×1 (actual 19.75 × 23.75 in)
- 20×25×1 (actual 19.75 × 24.75 in)
- 20×30×1 (actual 19.75 × 29.75 in)
- 20×36×1 (actual 19.75 × 35.75 in)
- 22×22×1 (actual 21.75 × 21.75 in)
- 24×24×1 (actual 23.75 × 23.75 in)
- 24×30×1 (actual 23.75 × 29.75 in)
- 25×25×1 (actual 24.75 × 24.75 in)
- 25×32×1 (actual 24.75 × 31.75 in)
- 30×30×1 (actual 29.75 × 29.75 in)
2" deep
- 12×24×2 (actual 11.75 × 23.75 in)
- 14×20×2 (actual 13.75 × 19.75 in)
- 16×20×2 (actual 15.75 × 19.75 in)
- 16×25×2 (actual 15.75 × 24.75 in)
- 20×20×2 (actual 19.75 × 19.75 in)
- 20×24×2 (actual 19.75 × 23.75 in)
- 20×25×2 (actual 19.75 × 24.75 in)
- 24×24×2 (actual 23.75 × 23.75 in)
4" deep
- 14×25×4 (actual 13.75 × 24.75 in)
- 16×20×4 (actual 15.75 × 19.75 in)
- 16×25×4 (actual 15.75 × 24.75 in)
- 20×20×4 (actual 19.75 × 19.75 in)
- 20×24×4 (actual 19.75 × 23.75 in)
- 20×25×4 (actual 19.75 × 24.75 in)
- 24×24×4 (actual 23.75 × 23.75 in)