Description
Actual size 23.5 x 27.5 x 1.75. These Accumulair 24x28x2 Geothermal filter replacements are one-panel, two-piece frame 23.5 x 27.5 x 1.75 filters for use in Geothermal or GSHP (Ground Source Heat Pump) units. The one-piece construction of Filter Hut's 24x28x2 Geothermal filter replacement creates a stronger filter and eliminates bypass. One-panel, two-piece design. Graded to ASHRAE standards. Note: Sample filter image displayed is not to scale and is shown for construction only.