Geothermal Filters That Actually Fit – Tough MERV 8-13 pleated filters built for WaterFurnace, ClimateMaster, Carrier and more. Stocked in the big, hard-to-find sizes like your 28x28x1 HVAC filters.
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MERV 8Vendor:Exact Filters28x28x1 Geothermal Compatible HVAC Exact Fit Filters – MERV 8
Regular price $489.99Sale price $489.99 Regular priceUnit price Case of 12 $40.83/filter -
MERV 13Vendor:Exact Filters28x28x1 Geothermal Compatible HVAC Exact Fit Filters – MERV 13
Regular price $567.99Sale price $567.99 Regular priceUnit price Case of 12 $47.33/filter -
Custom filtersBuilt to your exact size
Any size, cut to 1/8″. Depth 1″–6″ · MERV 1–13.
Build your filter -
MERV 11Vendor:Exact Filters28x28x1 Geothermal Compatible HVAC Exact Fit Filters – MERV 11
Regular price $543.99Sale price $543.99 Regular priceUnit price Case of 12 $45.33/filter
