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Air Filter Whistle

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$0.93
SKU:
N9150
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A clogged or dirty furnace filter can rob your furnace of energy efficiency. The Furnace Filter Whistle easily attaches to a new furnace filter and sounds when your filter becomes 50% clogged letting you know it is time to replace the filter. The Furnace Filter Whistle is reusable. 

Features

  • Whistle alerts you to change filter
  • Reusable
  • Helps improve HVAC efficiency
  • Fits all 1” filters
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Air Filter Whistle

$0.93

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