3M SLP-LARGE* Fire Barrier Self-Locking Pillow,9 In.
$29.59
Firestop Pillow, Fire Rating 3 hr, Fire Resistance Type Intumescent, Firestop Type Pillow, Interlocking Yes, Overall Height 3 in, Overall Length 9 in, Overall Width 6 in, Color Red, Features For Medium to Large Openings Containing Power or...