STI® EZ-Path® EZD33FWS Fire-Rated Pathway, Square Shape, 10-1/2 in L x 3 in W x 3 in H, Upto 4 hr Fire Rating, Galvanized Steel

STI® EZ-Path® Fire Barrier Pathway Kit, Series: 33 Series, Squared, 10-1/2 in Length, 3 in Width, 3 in Height, Fire Rating: 1 to 4 hr, Specifications Met: ASTM E814, FM Approved, UL 1479, CAN/ULC S115, Orange, Steel. The STI® EZ-Path® series 33 fire rated pathway is a maintenance free pathway solution for moderate cable volumes through fire rated walls and floors. The series 33 incorporates built-in intumescent pads that automatically adjust to cable fills. When exposed to flame and high temperatures, the intumescent pads expand to form a dense insulative char that prevent the passage of smoke and flame.