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ARM 441B OPTIMA VECTOR
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Other products by Armstrong
The Vector products referenced in these instructions are made from fiberglass or mineral fiber. Both are 100% downward accessible and all full panels can be removed and reinstalled without entering the plenum. Two sides support installed panels. These edges have specially designed kerf details, which allow one edge of the panel to be raised slightly off of the suspension system flange and then moved out of position. The other two sides have reverse Tegular edges, which center the panel in the suspension system.