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The AF25X30x1-M13 is a MERV 13 pleated air filter designed for residential and light commercial HVAC systems. With a nominal size of 25x30x1 inches and an actual size of 24.5 x 29.5 x 0.75 inches, this filter fits standard filter slots that accept 1-inch media. At MERV 13, it captures fine particulates including dust, pollen, mold spores, pet dander, and some bacteria-sized particles, making it a strong choice for environments where air quality is a priority. Each order includes 10 filters. HVAC technicians and service professionals stock this rating for customers with higher indoor air quality requirements or allergy sensitivities.
This filter is suited for forced-air heating and cooling systems in residential and light commercial applications. It installs in standard return air grilles, filter cabinets, and air handler filter tracks that accept a 1-inch filter. The pleated media construction increases surface area relative to fiberglass panel filters, supporting adequate airflow while maintaining effective filtration performance. MERV 13 filtration is commonly specified in applications where finer particulate control is needed beyond what MERV 8 or MERV 11 filters provide.
Designed as a replacement for residential and light commercial forced-air HVAC systems that accept a 1-inch nominal 25x30x1-inch air filter in return air grilles, filter cabinets, or air handler filter tracks.
A licensed HVAC technician or qualified service professional should verify the system filter slot dimensions against the actual filter size before installation. Power down the air handler or furnace at the disconnect before servicing the filter cabinet. Install with the airflow direction arrow on the filter frame pointing toward the blower. MERV 13 filters have higher resistance than lower-rated media, so confirm the system fan can maintain adequate airflow at this filtration level before specifying.
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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