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The KOCH FILTER 102-700-023 is a standard-capacity pleated air filter rated MERV 8, designed for forced-air HVAC systems in residential and light commercial applications. It measures 12 inches wide by 24 inches tall by 4 inches deep, making it a deep-media filter that delivers extended service life compared to standard 1-inch panel filters. The MERV 8 rating means it captures a meaningful portion of common airborne particulates including dust, pollen, mold spores, and lint, while maintaining adequate airflow for most residential systems. HVAC technicians and facilities maintenance personnel install this filter during routine service calls and scheduled filter changes.
This filter fits air handlers, furnaces, and packaged units that accept a 12x24x4 nominal filter size. It is well suited for residential single-family homes, multi-family units, and light commercial spaces where a balance of filtration efficiency and system airflow is required. The 4-inch depth allows for longer change intervals than thin-media alternatives, reducing the frequency of scheduled maintenance visits. Manufactured in the United States, it meets standard OEM sizing conventions for common residential and light commercial equipment.
Designed as a standard OEM-style replacement pleated air filter for forced-air HVAC systems that accept a 12x24x4 nominal filter size.
This filter is installed by HVAC technicians or qualified maintenance personnel during routine filter replacement. Always power down or switch the system to the off position at the thermostat before removing the old filter to prevent unfiltered air from circulating through the blower. Confirm airflow direction arrows on the filter frame align with the direction of airflow toward the blower before seating the filter fully in the filter rack. Dispose of the used filter in a sealed bag to contain captured particulates.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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