• Firestop tested up to 2 hours in accordance with ASTM E 814 (UL 1479) & CAN/ULC S115
• Durable one-piece metal collar assembly encasing 3M Fire Barrier Wrap Strip FS-195+ intumescent material (no assembly required)
• Embossed 3M and red color (easily identified as a fire stop device)

WARNING: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.