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Formed in 1984
3M Fire Barrier Pass-Through Device Foam Plugs 4 in Round 24/case
***PLEASE CONTACT MICRO PARTS FOR SHIPPING***
Replacement foam plugs for 4-inch Round 3M(TM) 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(TM) Fire Barrier Sealant or Putty MP+, see system details).
