<ul><li>Ready-to-install kit for complete cable or blank firestop installation</li><li>Tested up to 4 hours for fire-rated through penetration systems in accordance with ASTM E814 (UL 1479)</li><li>No gasket required to ease installation process</li><li>Rolled-out lip on sleeve allows for smooth cable entry</li><li>Brackets and sleeve work in tandem to help prevent slipping during installation</li><li>Allows for both new and retrofit data and telecom cable firestop installations</li></ul> Product Description 3M 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 Manufacturer Kit allows for both new and retrofit data and telecom cable firestop installations.

3M Fire Barrier Putty Sleeve Kit DT 400, 4 in Round, 1/case