Enhance the air quality in your home with this lot of Lennox air filters. The set includes two filters, with one having a MERV rating of 16 and the other a rating of 11. Designed for use in air purifiers, the filters are made with electrostatic filtration technology and carbon filter media. The filters have a frame made of paper material and can last up to 12 months. The gray-colored filters are compatible with the X6670 and X6672 models and were manufactured in 2016. They are an excellent addition to your indoor air quality and fans collection. Get your hands on these high-quality filters now and enjoy fresher air in your home.