3M 16540-case Fire Barrier Cast-in Device 2MCID for Metal Pipes, 2″, Red (Pack of 12)

Features :

• Eliminates time and expense of drilling firestop holes in concrete
• Designed specifically for metal pipes and other metallic through penetrants
• Tear strips allow installers to easily adjust height for various concrete thicknesses
• Installs securely by attaching directly to forms and floor decking
• Rugged one-piece design withstands impact during everyday construction
• Intumescent devices are firestop tested for up to 3 hours in accordance with ASTM E 814 (UL 1479)