3 Filter Bundle of Honeywell Air Filter High-Efficiency TRN2621R1/E, 21x26x5 - Merv 10

The Honeywell TRN2621R1/E High Efficiency Air Cleaner Filter 3-Pack is designed specifically for Trane or American Standard Perfect Fit systems. These 5-inch thick filters feature a MERV 10 rating, making them up to 20 times more efficient than standard one-inch pleated filters. They are effective at capturing a high percentage of household airborne particles, including microscopic contaminants such as lead dust, humidifier dust, and legionella.

Each filter in this bundle is designed to last up to six months, providing a total of 18 months of high-quality air filtration. Measuring 21x26x5 inches, these filters allow homeowners to manage their own HVAC maintenance without needing a professional service call. By utilizing deep-pleat technology, they offer superior residential air cleaning and help maintain the efficiency and longevity of the furnace or air conditioning system.

MERV = 'Minimum Efficiency Reporting Value' this is used to rate the overall effectiveness of an Air Filter. Below you will find a table that measures the MERV strength and tells you the Application of each unit's effectiveness. In general an Air Filter with a higher MERV Rating is more effective and has a broader application, but most residential homes will find the best use from an air filter between the 5-12 MERV rating.