Wiremold FS4R-RED Poke-Thru Flamestopper Thru-Wall Fitting. 4" EMT Conduit, RedFeaturesBuilt-in Firestopping expands with exposure to heatEngineered for rapid expansion when exposed to fire or high temperatures to quickly seal the pathway and prevent the passage of flames and smoke Product Specifications BRANDWiremold MANUFACTURERS PART NUMBERFS4R-RED TYPEPoke-Thru CONSTRUCTIONNot Assembled DESCRIPTIONFlamestopper Thru-Wall Fitting COLORRed LENGTH6" WIDTH1-3/4" HEIGHT6-1/4" APPLICATIONCommercial, Office NUMBER OF OUTLETS0 MOUNTING METHODThrough Floor/Wall