CP 644 Firestop collars US - Firestop Collars, Wraps & Bandages - Hilti USA
Hilti 15.7 in. x 3.1 in. Hex 28 Steel Scaling Chisel 2254773 - The Home Depot
CFS-C EL firestop endless collar - Firestop Collars, Wraps and Bandages - Hilti GB
Hilti - The Hilti CFS-C EL Firestop collar endless is a versatile solution that can be used to firestop a wide range of plastic pipes, installed in different configurations and in various