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Firestop tested for up to 3 hours in accordance with ASTM E 814 (UL 1479)
UL classified L rating, Hot and Cold Smoke Seal (achieved with foam smoke seals and 3M™ Fire Barrier Sealant or Putty per system details)
Re-enterable firestop device for blank openings, single- or multiple penetrants in new or retrofit construction
3M™ Fire Barrier Pass-Through Device is a round firestop solution for electrical, data, communications cable or pipes penetrating fire-rated floors or walls.