3M™ Heat Shrink Cable Sleeve Itcsn Is A Heavy Wall Sleeve That Provides Abrasion, Corrosion and Chemical Resistance. This Sleeve Has A 3:1 Shrink Ratio to Offer Electrical Insulation For 1 KV Rated Applications. It Features A Cross Linked Polyolefin Construction That Provides Moisture Seal Protection.

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.