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The AIR FLOW PRODUCTS FB03INS000172224 is an air handler unit filter box insert designed to fit within the filter section of an AHU cabinet. This insert provides a secure, form-fitting frame that holds the air filter in place, preventing bypass air from moving around the filter media. It measures 17.625 inches by 22.167 inches by 24 inches and is sized for specific AHU filter box configurations. HVAC technicians and sheet metal installers typically source this insert when servicing or retrofitting air handler units where the original insert is damaged, missing, or being replaced as part of a cabinet upgrade.
This filter box insert is used in residential and light commercial air handling unit installations where a properly fitted filter housing insert is required to maintain filtration efficiency. The 17.625 x 22.167 x 24 inch profile matches specific AHU filter box openings. It is commonly installed during new equipment commissioning or during preventive maintenance when filter cabinet components are being refreshed to restore designed airflow and filtration performance.
Designed as an OEM-style replacement filter box insert for air handler units requiring a 17.625 inch x 22.167 inch x 24 inch insert configuration. No specific model compatibility data was provided; verify cabinet dimensions before ordering.
Installation should be performed by a licensed HVAC technician. Always power down the air handler unit at the disconnect switch before accessing the filter cabinet. Confirm the insert dimensions match the filter box opening before installation to ensure a proper seal and prevent air bypass. Follow local mechanical codes and the equipment manufacturer guidelines for filter cabinet service procedures.
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