anyone know where I can find this material, we had a company build us these louvers 7 years ago, no one can remember who we usedAttachment 354591Attachment 354601
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anyone know where I can find this material, we had a company build us these louvers 7 years ago, no one can remember who we usedAttachment 354591Attachment 354601
What are they?. Barometric type dampers? Shouldnt be hard to find, talk to a sheet metal supplier