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The 3M PLG4 is a fire barrier rated foam plug designed for use with the 2-inch round 3M Fire Barrier Pass-Through Device. This plug serves as a key component in preventing the passage of smoke and fire through openings in fire-rated barriers. The design of the plug helps maintain the integrity of the fire barrier while enhancing both cold and hot smoke seals.
This product plays a role in helping achieve a UL classified L-Rating in fire barrier systems.
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