3M Firestop Pillows, Blocks, Plugs & Composite Sheetsfor Workplace Safety

3M™ Fire Barrier Self-Locking Pillows

3M™ Fire Barrier Pillows FB269, Medium, 2 in x 6 in x 9 in, 16/Case

3M™ Fire Barrier Composite Sheet CS-195+, 28 in x 52 in, 1/case