1 Inch Thick Permanent Washable Geothermal Air Filters

1 Inch Thick Permanent Washable Geothermal Air Filters
Replace your Geothermal Furnace Filter with a permanent, washable, lifetime filter. We have filters to fit Bryant, Carrier, ClimateMaster, Waterfurnace, Bosch, Florida Heat Pump, GeoFinity & others.

Please measure your current filter to find it's actual size and then find your size below. The actual size of each filter is listed in the item description.
(Keep in mind that the size printed on the filter may be different than the actual size of the filter.)
Note: Our 1 inch filters are exactly 7/8 inch thick

Our Low Resistance Filters work great in high-efficiency systems.

10x30x1 Geothermal Filter - Permanent, Washable, Lifetime
$69.99
12x30x1 Geothermal Filter - Permanent, Washable, Lifetime
$69.99
14x20x1 Geothermal Filter - Permanent, Washable, Lifetime
$69.99
14x24x Geothermal Filter - Permanent, Washable, Lifetime
$69.99
14x30x1 Geothermal Filter - Permanent, Washable, Lifetime
$69.99
15x20x1 Geothermal Filter - Permanent, Washable, Lifetime
$69.99
16x30x1 Geothermal Filter - Permanent, Washable, Lifetime
$69.99
18x18x1 Geothermal Filter - Permanent, Washable, Lifetime
$69.99
18x24x1 Geothermal Filter - Permanent, Washable, Lifetime
$69.99
20x20x1 Geothermal Filter - Permanent, Washable, Lifetime
$69.99
20x24x1 Geothermal Filter - Permanent, Washable, Lifetime
$69.99
20x25x1 Geothermal Filter - Permanent, Washable, Lifetime
$69.99
20x30x1 Geothermal Filter - Permanent, Washable, Lifetime
$69.99
22x30x1 Geothermal Filter - Permanent, Washable, Lifetime
$89.99
24x24x1 Geothermal Filter - Permanent, Washable, Lifetime
$89.99
23-1/2 x 27-3/4 x 1 Geothermal Filter - Permanent, Washable, Lifetime
$89.99
24x28x1 Geothermal Filter - Permanent, Washable, Lifetime
$89.99
23-1/2 x 29-1/2 x 1 Geothermal Filter - Permanent, Washable, Lifetime
$89.99
24x30x1 Geothermal Filter - Permanent, Washable, Lifetime
$89.99
26x30x1 Geothermal Filter - Permanent, Washable, Lifetime
$89.99
27-1/2x27-1/2x1 Geothermal Filter - Permanent, Washable, Lifetime
$89.99
28x28x1 Geothermal Filter - Permanent, Washable, Lifetime
$89.99
27-3/8 x 29-3/8 x 1 Geothermal Filter - Permanent, Washable, Lifetime
$89.99
27-1/2 x 29-1/2 x 1 Geothermal Filter - Permanent, Washable, Lifetime
$89.99
27-3/4 x 29-3/8 x 1 Geothermal Filter - Permanent, Washable, Lifetime
$89.99
27-3/4 x 29-3/4 x 1 Geothermal Filter - Permanent, Washable, Lifetime
$89.99
28x30x1 Geothermal Filter - Permanent, Washable, Lifetime
$89.99
27-3/4 x 31-3/4 x 1 Geothermal Filter - Permanent, Washable, Lifetime
$89.99
28x32x1 Geothermal Filter - Permanent, Washable, Lifetime
$89.99
27-1/2 x 33-1/2 x 1 Geothermal Filter - Permanent, Washable, Lifetime
$89.99
28x34x1 Geothermal Filter - Permanent, Washable, Lifetime
$89.99
29x29x1 Geothermal Filter - Permanent, Washable, Lifetime
$89.99
29-1/2 x 29-1/2 x 1 Geothermal Filter - Permanent, Washable, Lifetime
$89.99
30x30x1 Geothermal Filter - Permanent, Washable, Lifetime
$89.99
29-1/2 x 31-1/2 x 1  Geothermal Filter - Permanent, Washable, Lifetime
$89.99
29-1/2 x 31-3/4 x 1 Geothermal Filter - Permanent, Washable, Lifetime
$89.99
29-1/2 x 32 x 1 Geothermal Filter - Permanent, Washable, Lifetime
$89.99
29-3/4 x 31-3/4 x 1 Geothermal Filter - Permanent, Washable, Lifetime
$89.99
30x32x1 Geothermal Filter - Permanent, Washable, Lifetime
$89.99
29-1/2 x 35-1/2 x 1 Geothermal Filter - Permanent, Washable, Lifetime
$89.99
29-1/2 x 35-3/4 x 1 Geothermal Filter - Permanent, Washable, Lifetime
$89.99
29-3/4 x 35-3/4 x 1 Geothermal Filter - Permanent, Washable, Lifetime
$89.99
29-1/2 x 36 x 1 Geothermal Filter - Permanent, Washable, Lifetime
$89.99
30x36x1 Geothermal Filter - Permanent, Washable, Lifetime
$89.99