The 28x30x2A Geothermal filter replacements are one-panel, two-piece frame heavy-duty filters for use in Geothermal or GSHP (Ground Source Heat Pump) applications. The one-piece construction of the 28x30x2A Geothermal filter replacement makes a more robust filter and eliminates bypass.
- 28 x 30 x A nominal size.
- 28" x 30" x 1-1/2" actual size.
- One-panel, two-piece design.
- Rated to ASHRAE 52.2 classifications.
- 6 filters in a case.