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Filter size-make a difference

Posted by Totsie (My Page) on
Sun, Oct 7, 12 at 12:33

I was quote a media cabinet size 20x25x5 Merv 10, just discovered its actually 16x25x4Merv 11...is this a big deal ? Or does it affect system operations ? Thanks again for any help!


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RE: Filter size-make a difference

The 20x25 filter ideally is better, but the 16X25 filter is OK for your 3 ton AC. I would not make a big deal out of it. This is the configuration I have and it has worked well for me. A Merv 8 filter would be less restrictive, but you can use the Merv 11 if you want better filtering.


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RE: Filter size-make a difference

Thanks Mike- how long have you been in ac? Very knowledgeable ...we need some of that knowledge here in Texas .. Thank you for all your time and advice very much appreciated.


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