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Specific Application: Air Quality21 Items Perla OP 0.953 Items
Perla OP 1.004 Items
Sierra OP8 Items
Parafon Hygien2 Items
Alpina OP4 Items
* Some products may have Dncw values published. These are valid although Dnfw, which is essentially the same as Dncw, has superseded it. For further information on the acoustic performance of Armstrong products please contact our Armstrong Technical Sales. |
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