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downsouth_gw

Trane Furnace - Air Cleaner Filter Size?

downsouth
9 years ago

Our air cleaner takes a 20 x 20 x 4.5. I am finding plenty of 20 x 20 x 4, but very few 4.5.

Is it okay to use the 4" size since it seems to be a standard size (and easily found), or do I need to stay with the 4.5 size?

Thanks, Dee

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