Our 3M™ Fire Barrier Pass-Through Device Round 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.

Glove, Padded Synthetic Material, 12 CT Package Quantity, Medium Size, Padded Knuckles For Protection Against Bumps;Stretch Spandex Back For Flexibility and Fit;Textured Fingertip Pads Provide Added Abrasion Resistance Special Features, 0.19 LB Weight