Description
Actual Dimension: 27.5 x 29.5 x 1.75. Filter Hut Accumulair 28x30x2 Geothermal filters are two-piece frame, one panel 27.5 x 29.5 x 1.75 filters for use in Geothermal or GSHP (Ground Source Heat Pump) systems. The one-piece construction of the 28x30x2 Geothermal filter creates a stronger filter and eliminates bypass. One-panel, two-piece construction. Standardized to ASHRAE 52.2 grades. Notice: Example filter image shown is not the actual dimensions and is displayed for construction purposes.