Hart & Cooley 274200200, 20" x 20" x 1" Fiberglass Throw-Away Replacement Filter is a disposable fiberglass HVAC return filter for larger 1-inch racks.
Key Features:
- Nominal size 20 x 20 x 1 inches
- Fiberglass media, disposable
- Hart & Cooley replacement filter
Compatibility & Applications:
- For systems that accept 20 x 20 x 1 filters.
- Used in return air filtration on furnaces and air handlers.
Installation & Operation Notes:
- Install with airflow arrow in the correct direction.
- Verify snug fit to limit bypass.
Maintenance & Troubleshooting:
- Replace when dirty or at the interval recommended by the equipment maker.
- If the filter bows or whistles, recheck rack size and seating.
