The Furnace Filter Whistle notifies you when it's time to replace your heating or air-conditioning filter with a whistling noise.
Changing your heating and air conditioning filters regularly can help extend the life of your heating and cooling units and allow them to run more energy efficient.
Properly managing the life of your filters will help you save money, and also prevent you from breathing unhealthy air.
Customized with your logo, message or program theme. Setup and printing included. Makes a great giveaway and helps to promote your business. Lead Time: 7 - 10 Business days.