Fire Barrier Self-Locking Pillow,9 In.

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 Communication Cables and Conduits, Remove and Reconfigure, Designed to Expand During a Fire, Locking Themselves Around Vital Components, Wire Mesh or Additional Support Not Required, For Material Type Concrete, Gypsum