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Filtrete 20-in W x 25-in L x 4-in MERV 13 HVAC Basic Pleated Air Filter (6-Pack)

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The HVAC Basic MERV 13 pleated filter utilizes 100% synthetic media which offers significantly higher particulate efficiency than regular poly/cotton media pleated filters
These filters capture airborne particles/allergens less than 1 micron in size, such as particles that carry viruses and bacteria, pollen, mold spores, fine dust and pet dander
The filter media will not promote the growth of bacteria, mold, mildew, or fungi in normal operating environments, and has not been chemically treated

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The HVAC Basic MERV 13 pleated filter utilizes 100% synthetic media which offers significantly higher particulate efficiency than regular poly/cotton media pleated filters
These filters capture airborne particles/allergens less than 1 micron in size, such as particles that carry viruses and bacteria, pollen, mold spores, fine dust and pet dander
The filter media will not promote the growth of bacteria, mold, mildew, or fungi in normal operating environments, and has not been chemically treated
Ideal upgrade from standard disposable panel filters
These filters are designed to last up to 3 months, but based on your environment you may need to change your filter more frequently than once every 3 months
Removes atmospheric and household dust, coal and insecticide dust, mites, pollen, tobacco smoke, cooking smoke, grease, mold, fungi and more down to 0.3 micron
This product is listed and rated by Underwriters Laboratories as Class 2
This 4 inch air filter is meant for commercial applications as well as those customers looking for increased efficiency in their homes if their air return can specifically support a 4 inch filter