Under fire exposure, the intumescent pads expand and swell resisting the passage of smoke and flame.Series 44+ EzPath Multi Gang Wall Double The Series 44+ incorporates self-sealing intumescent pads that automatically adjust to the installed cable fill without the need for user manipulation.•Self Sealing design provides exceptiol fire and smoke leakage ratings•Allows for easy Moves, Adds, and Changes•Designed for New and Existing conditions•Variety of accessories available for any field condition•Modular grid system for riser applications•Greatest achievable cable density of any solution on the market.