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Old 02-08-2011, 01:24 PM   #5
exav8tr
Montana Master
 
Join Date: Sep 2006
Location: Casa Grande
Posts: 5,369
M.O.C. #6333
I have placed an air filter behind these grills to halp filter the return air to the furnace. We have no drafts coming from this area in our '06. Perhaps these filters would work for you. I did have to cut to size......
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