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3M Electrical B258 2.36 x 5.12 x 7.87 Inch Maroon Fire Barrier Block

MFG Part #: B258
Brand Name: 3M
UPC: 07630897939
Online Part #: 3186565


Our 3M™ Fire Barrier Block B258 is a pre-formed foam block designed for easy installation to effectively seal larger openings against smoke, toxic gas and flame. It is simple to use and helps reduce sound transmission.

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Make and Model

Online Part #: 3186565
MFG Name: 3M


Brand Name: 3M
Type: Product

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