The new Hilti CP 653 Speed Sleeve is true innovation from the #1 Firestop Provider Worldwide.  UL classified and FM approved, this one-product firestop and smoke seal cable management device is designed to meet a host of performance criteria: fast product installation, ease of cable penetration and re-penetration, superior ability to limit smoke migration whether empty or 100% visual-fill, a wide portfolio of firestop details, and a robust, lightweight solution that endures long-term, high-traffic usage.