Manual

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DUCT COVER EXTENSION SPECIFICATION
EDGE
DUO WALL
LAYERS WALL
Min 44" - Max 80"
38"-7/8"
10-1/16"
4-9/16"
3-1/8"
Min 43" - Max 79"
38-7/8"
10-1/16"
10-1/16"
3-1/2"
Min 43" - Max 79"
38-7/8"
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