Merv 11 Furnace Filter is a top-quality product manufactured by NAIL TECHNOLOGY JIANGSU CO., LTD., which is a leading China-based manufacturer, supplier, and factory of air filtration products. This filter is designed to help improve indoor air quality by capturing a wide range of airborne pollutants and allergens, including dust, pollen, pet dander, and mold spores. The Merv 11 rating indicates that this filter can capture particles as small as 1 micron, which makes it a highly effective tool for reducing indoor air pollution. It's made with high-quality materials that ensure its durability and longevity, and it features a seamless construction that ensures a tight fit in your furnace. With its exceptional performance and superior quality, the Merv 11 Furnace Filter is an excellent investment for anyone seeking to improve their indoor air quality. Order yours from NAIL TECHNOLOGY JIANGSU CO., LTD. today and enjoy clean, fresh air in your home for years to come.