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How do I know if I have the filter facing the correct way?

Post created: 2016-02-25 Type of Equipment: Furnace Views: 171

This question was created on the page: https://www.furnacecompare.com/faq/which_filter.html.

I don't know which way to face the airflow direction arrow.

On 2016-02-26 wrote:

It depends on which furnace you have. Taking note of the arrow direction when removing the old filter is usually the easiest way. 

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