STI EZ-Path Smoke and Acoustical Pathway, Device Only, NEZ33

Designed for easy installation in non-rated floor, ceilings, and walls, EZ Path Series 33NEZ Smoke & Acoustical Pathway provides exceptional cable capacity with tested and approved cable capacities ranging from 0 up to 100% visual fill. A single unit installed in a wall exceeds the cable carrying capacity of a 4" (102 mm) sleeve utilizing typical putty firestop systems (35% cable loading).