Filter Hut's 28x30x2 Geothermal filters are one-panel, two-piece frame commercial quality filters for Geothermal or GSHP (Ground Source Heat Pump) units. The one-piece construction of the 28x30x2 Geothermal filter creates a stronger filter and eliminates bypass opportunity.
- 28 x 30 x 2 nominal size.
- 27-1/2" x 29-1/2" x 1-1/2" actual size.
- Two-piece, one-panel construction.
- Rated to ASHRAE 52.2 standards.
- 6 filters to a case.