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The PPA INDUSTRIES B1-1425-13-6 is a MERV 13 pleated air filter designed for forced-air HVAC systems in residential and light-commercial applications. Each filter measures 14 inches by 25 inches by 1 inch and is rated for up to 90 days of service. The electrostatically charged pleated media captures a broad range of airborne particulates including pollen, pet dander, mold spores, bacteria, microscopic allergens, and smoke. This pack contains 6 filters. MERV 13 filtration meets the threshold commonly specified for improved indoor air quality without the static pressure penalty of higher-rated media.
This filter fits standard 14x25x1 filter slots in residential split systems, heat pumps, gas furnaces, and air handlers. It is suitable for single-family homes, multi-family units, and small commercial spaces where improved particulate capture is required. The 90-day service interval reduces maintenance frequency compared to 30-day fiberglass filters. HVAC technicians and facilities maintenance staff commonly stock this size for scheduled filter change-outs. The 6-unit pack supports multiple units or several service cycles on a single system.
Designed as a direct-fit replacement for standard 14x25x1 nominal filter slots in residential and light-commercial forced-air HVAC systems including gas furnaces, air handlers, and heat pumps.
Filter installation should be performed by a licensed HVAC technician or qualified service professional. Set the system thermostat to off and confirm the air handler or furnace blower has stopped before removing the old filter. Install the new filter with the airflow arrow on the frame pointing toward the blower motor and away from the return air duct. Verify the filter seats flush with no bypass gaps around the edges.
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