3M Fire Barrier Putty Sleeve Kit Dt 100, 1 In Round, 1/Case

Product Description3M Fire Barrier Putty Sleeve Kits Are Designed To Help Prevent The Passage Of Fire And Smoke In New Or Existing Cable Penetrations Through Walls Or Floors. These Kits Are Tested Up To 4 Hours For Fire-Rated Through Penetration Systems (In Accordance With Astm E814). No Gasket Is Required With This Product And It Allows For Both New And Retrofit Data And Telecom Cable Firestop Installations.From The Manufacturerkit Allows For Both New And Retrofit Data And Telecom Cable Firestop Installations. Ideal For High Traffic Cable Penetrations.