Improve Air Quality With 16x25x4 Pleated Furnace Filters Delivered To Your Toronto Home Why battle with dust and other harmful pollutants finding their way into your home when you have access to the largest selection of furnace filters in the Toronto market? United Filter Company's lineup of furnace filters includes 20x20x1, 16x20x4, 20x25x4, and other sizes of residential furnace filters. The Canadian manufacturer ships residential furnace filters directly to you, thus saving delivery time and additional expenses. With this line of furnace filters, you can save on energy costs and improve your home's air quality by reducing dust and indoor pollutants. Available on the online store are the 16x25x4 pleated furnace filters, which utilize synthetic media to capture bacteria spores from the air without reducing airflow. Owing to its MERV 11 rating, the 16x25x4 furnace filter can capture 65% to 79% of particles, including lint, debris, pet dander, smoke, and smog. United Filter Company also carries pocket bag filters, rigid box filters, and high-efficiency particulate air (HEPA) filters with custom sizing to suit your needs. Visit https://unitedfilter.com for more.