FILTRETE Allergen Defense Micro Allergen Furnace Filter - 15" x 20" x 1"

A healthy home begins with cleaner air. Improve the air quality in your house by reducing the amount of airborne allergens with a Filtrete™ Allergen Defense Micro Allergen Filter. Using electrostatic technology, this high-performance filter turns your central heating and cooling system into a whole-house air cleaner by attracting and capturing microscopic allergens like pet dander, smoke and household dust, while also taking care of larger airborne allergens such as mould spores and pollen. For maximum performance, replace your Filtrete™ Filter seasonally (every 90 days) to ensure you and your household are breathing cleaner air.

• Rated 20 times better on small particles thanordinary 1" filters in independent tests
• Patented electrostatically-charged Filtretefibers attract and hold particles like magnets
• Retains more particles with pleated surface area
• No monthly washing like less-effective 1" permanent filters
• Use in furnace or A/C for full three months ofair quality protection under normal conditions
• 3M reliability and proven performance in every air filter
• MERV 11