https://www.hilti.com/c/CLS_FIRESTOP_PROTECTION_7131/CLS_FIRESTOP_DEVICES_SLEEVES_7131?filter=CHA_TYPES_MKT:in:TYPES_MKT_23737692
Firestop devices and sleeves - Hilti USA
Explore our pre-formed firestop sleeves and cast-in devices, designed for easier installations and inspections when firestopping cable and pipe penetrations
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