Firestop Pipe Collar Device Type Cast-In Device Fire Rating 3 hr For Pipe Size 4 in For Use On Combustible Non-Combustible Penetrants Maximum Concrete Thickness 10 in Minimum Concrete Thickness 2.5 in Overall Height 10 in Usage Location Floor Penetrations Body Material Polypropylene Cap Material Polyethylene Color Yellow Expansion Temperature 320 Degrees F Expansion Volume 250X Features Incorporates Built-In Smoke Seal Intumescent Yes Maximum Service Temperature 130 Degrees F