Air Cleaner Filter MERV 11 Replacement Furnace Filter Case of 3 for Lennox 20x20x4
Actual Measurements: 19 1/2" x 19 1/2" x 3 3/4"
Upgrade your HVAC Heating and Air Conditioning System with the High Flow MERV 11 Furnace Filter. Media pack is sealed to eliminate air bypass, while diagonal and horizontal support members provide frame strength. Furnace filters are designed to capture dust and other particulates and keep them out of your house. When your air cleaner filter becomes worn out however, they cannot work nearly as well. Replacing that worn out filter can keep your home cleaner. This filter has more pleats and is given a MERV 11 rating, meaning it creates a higher air quality than standard or other MERV 8 replacement furnace filters. It has approximately 18 pleats per foot, doubling the effective surface area compared to your original filter. It has a media-maximizing V-Pleat design. Made to fit a variety of Lennox models. It is the customer's responsiblity to match dimensions needed to those listed below. This case comes with 3 MERV 11 20x20x4 filters.
Please make sure to use Actual Dimensions given to determine if these filters will fit your furnace.
Quantity: Case of 3
Fits Various Lennox Models