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The ECCO MANUFACTURING 599460 is a filter base designed to support and house standard 20 x 25 inch air filters in HVAC air handling systems. It provides a rigid mounting platform that holds the filter in position within the airstream, preventing bypass and ensuring full filter face coverage. The unit measures 28.625 inches in length, 21.625 inches in width, and 6 inches in height. HVAC technicians and sheet metal installers use this filter base during equipment installation or when retrofitting an existing system to accept a properly sized filter assembly.
This filter base is suited for residential and light commercial HVAC applications where a 20 x 25 inch filter is specified. It is typically installed at the return air inlet of an air handler or furnace, securing the filter in a fixed position to maintain consistent airflow and filtration efficiency. The 6-inch height accommodates standard filter depths used in these system configurations.
Designed as an OEM-style filter base for HVAC air handling systems requiring a 20 x 25 inch filter opening.
Installation is typically performed by a licensed HVAC technician or qualified sheet metal installer. Shut down and lock out the air handling unit before installing or servicing the filter base. Ensure the base is secured so there are no gaps around the filter frame that could allow unfiltered air to bypass the media. Follow local mechanical codes for filter access and serviceability requirements.
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