UPC# 00 051115 18793 3 3M ID 98040055588
 | DescriptionReplacement foam plugs for 2-inch Round 3M Fire Barrier Pass-Through Device. These foam plugs enhance the Cold and Hot smoke seal (device can achieve UL classified L-Rating with foam plugs and 3M Fire Barrier Sealant or Putty MP+, see system details). DescriptionReplacement foam plugs for 2-inch Round 3M Fire Barrier Pass-Through Device. These foam plugs enhance the Cold and Hot smoke seal (device can achieve UL classified L-Rating with foam plugs and 3M Fire Barrier Sealant or Putty MP+, see system details).
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