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by Manage My Life Last activity date:
Every filter I change every month has arrow on paper frame, but so fare nobody I asked had the answer which way it should to go.
The arrow indicates the air flow.The air is returnig to your furnace. The filter air flow arrow will point toward your furnace or air handler. Your expert will go into more detail. I hope this helps.
Answered in 5 minutesby Manage My Life |
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