3M Fire Barrier Pass Through Device 4 in. -

A complete solution for preventing the spread of fire and smoke where electrical, data, communications cable or pipes penetrate floors or walls. Hinged design is perfect for high traffic areas where cables are constantly being added and removed. The metal device has a fixed fire-stopping intumescent material, which works in conjunction with foam smoke seals and an optional mounting bracket.

• A complete solution for preventing the spread of fire and smoke where electrical, data, communications cable or pipes penetrate floors or walls
• Hinged design is perfect for high traffic areas where cables are constantly being added and removed
• This product is manufactured in United States