The whistle is comprised of two plastic pieces that are snapped onto the filter. N9150 The Furnace Filter Whistle alerts you when it is time to replace the filter in the central air conditioner or furnace.
Household > Environmental
Heating / Air Conditioning Air Filter Whistle
Specifications of Heating / Air Conditioning Air Filter Whistle | |
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Category | Home & Garden > Household Appliances > Climate Control Appliances |
Instock | instock |
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