FB-369* Firestop Pillow, Fire Rating 3 hr, Fire Resistance Type Intumescent, Firestop Type Pillow, Interlocking No, Overall Height 3 in, Overall Length 9 in, Overall Width 6 in, Color Red, Features Achievable Smoke Seal, No Wire Mesh Required, Remove and Reuse Pillows as Needed, Self-Contained, Market Commercial, Standards ASTM E814 (UL 1479), CAN/ULC-S115