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Old 08-13-2010, 10:56 AM   #1
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hvac air return


My ceiling air return grill is 24 x 36; too large for a standard 24 x 30 filter. Can I safely replace with a smaller grill?


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Old 08-13-2010, 11:48 AM   #2
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hvac air return


you buy a 24 X 24 and a 12 X 24 and put them together. i have the same setup and that's how you gotta do it.

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Old 08-13-2010, 11:58 AM   #3
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hvac air return


Quote:
Originally Posted by NitroNate View Post
you buy a 24 X 24 and a 12 X 24 and put them together. i have the same setup and that's how you gotta do it.
Yep, that's how it's done. That way you are using standard size filters.

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Old 08-13-2010, 07:37 PM   #4
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Or 2-18X24 air filters. Sounds like you have a 3 ton A/C.
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