Lennox X6673 20X25X5 Air Filter MERV 11 HVAC AC Furnace Filters, Lennox Filter
The Lennox X6673 air filter 20x25x5 is an ideal choice for your furnace, air conditioner, heat pump, or HVAC system. They perfectly fit popular models such as the Lennox, Carrier and Honeywell air cleaners, among others.