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3M™ Fire Barrier Cast-In Aerator Adaptor, 4 in
UPC# 50 051115 16589 9 3M ID 98040054904
 | Description One-piece plastic body assemblies used to create a void around aerators. For use with 4 in. (101.6 mm) metallic or non-metallic 3M™ Fire Barrier Cast-In Devices Description One-piece plastic body assemblies used to create a void around aerators. For use with 4 in. (101.6 mm) metallic or non-metallic 3M™ Fire Barrier Cast-In Devices |
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| Primarily used in new installations when firestopping 4 in. (101.6 mm) pipes that pass through flat concrete decks with a 6-1/2" (165.1 mm) minimum concrete topping. Device with adaptor are installed on forms prior to the concrete pour to create a void at the bottom of the concrete slab surface. |
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