Below are the available bulk discount rates for each individual item when you purchase a certain amount
Efficient Energy & Money Saving item!
Furnace filter alarm whistle - 2 parts - the base and the hat - (image shows both sides) Air Filter Whistle Our Air Filter Whistle lets you know when it's time to change your heating and air conditioning filter. If you change your air filter regularly, you reduce the risk of breathing unhealthy air and prevent your heating and cooling system from running harder than necessary. Cool. Whistle for Savings! In addition to reducing your energy costs, changing the filters can extend the life of your heating and cooling units and keep them operating properly. When I need you, I'll just whistle.
After installing one of these nifty little gadgets that's what your furnace filter will be saying to you! As dirt builds up, it produces an increase in pressure, which triggers the whistle. Instructions: 1. Line up the two pieces of the Air Filter Whistle on the front and back of the filter. 2. Filter must be in between the two pieces of the Air Filter Whistle. 3. Press the pieces together, pushing through the filter until you hear the two pieces of the Air Filter Whistle click into place. Install your air filter as usual. Easy to install, inexpensive and reusable. Made from durable plastic. Each disk measures approximately 1 3/4" " in diameter. Efficient in heating and air conditioning. Complete with instructions.
Water & energy conservation, water & energy reduction, and water & energy efficiency.
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