Hart & Cooley 274120120, 12" x 12" x 1" Fiberglass Throw-Away Replacement Filter is a disposable fiberglass air filter for residential and light commercial return applications.
Key Features:
- Nominal size 12 x 12 x 1 inches
- Fiberglass media, throw-away design
- Hart & Cooley replacement filter
Compatibility & Applications:
- For HVAC return air filtration on systems that accept a 12 x 12 x 1 filter.
- Used in furnaces or air handlers that specify disposable fiberglass media.
Installation & Operation Notes:
- Insert with airflow arrow matching system airflow.
- Verify fit in the filter rack and replace with the same nominal size.
Maintenance & Troubleshooting:
- Replace on the interval recommended by the equipment manufacturer or when dirty.
- If the filter does not seat, confirm rack size and nominal dimensions.