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  • Metacaulk 3"x9"x6" Firestop Pillows (case of 10)66363

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    Metacaulk Firestop Pillows are intumescent and designed for use primarily in large temporary or frequently accessed openings with cables, cable trays, blank openings or multiple penetrating items. In the event of a fire, Metacaulk Firestop Pillows will prevent the spread of flames and hot gases through the openings.