Lennox X6673 20x25x5 MERV 11 Furnace Filter – 2 Pack

Help your home breathe better with the Lennox X6673 MERV 11 Furnace Filter. It’s easy to install and made with high-quality materials for reliability. This Lennox furnace filter is electrostatically charged to grab onto dust pollen pet dander and other particles as tiny as 0.3 microns. The synthetic media helps air pass through unhindered and is made to UL 900 standards. This 20 inch x 25 inch x 5 inch furnace filter comes in a two-pack.