3M Fire Barrier Pillows FB269, Medium, 2 in x 6 in x 9 in (Pack of 16)

Features :

• Firestop tested for up to 3 hours of protection in accordance with ASTM E 814 (UL 1479)
• Expands to form a hard char that tightly seals against flame spread, smoke and toxic gases
• Re-enterable and re-useable for new or retrofit installations
• Graphite-free composition does not conduct electricity
• No wire mesh required and easy to install, inspect, remove and reuse as needed
• Excellent aging properties for long-lasting durability and performance