The air in your home should be healthy, comfortable, clean, and fresh. Is your furnace not functioning to its max? Maybe it's time for a filter change. It's super easy and you'll see super results! No assembly is required, just slide in your new Lennox air filter and start breathing the fresher and cleaner air. This furnace filter replacement will provide you with an optimal breathing experience. Use the cleaning cloth to get rid of any debris sticking to your furnace. Purchase your filter today and make the change for you and your family!