3M PT4SD Metal Fire Barrier Pass-Through Device 10-Inch x 4-Inch x 4-Inch Red Money Back Guarantee

Our 3M™ Fire Barrier Pass-Through Device Square are one-piece hinged metal enclosures designed to prevent the passage of fire, smoke and toxic gas. This easily-installed device is ideal for firestopping penetrations in high traffic areas where telecom, data or electrical cables are frequently added or removed. Intumescent material and foam smoke seals achieve a 3 hour fire protection rating.