Smooth Firestop Sleeve System
Original UNIQUE Smooth Firestop Sleeve System. For new horizontal installations to firestop cables and wires running through firewalls. UNIQUE's most economical firestop sleeve, available in 1, 2, and 4 diameters. Intumescent putty is included. Re-enterable firestop solution. UL Classified for up to 2 hours horizontally. Fire stopped and smoke sealed 100 percent of the time. Manufactured from ASTM Electrical Metallic Tubing (EMT) to UL1479 standards.