Square Mounting Bracket, Fire Rating 3 hr, For Pipe Size 4 in, For Use On Wall Penetrations, Floor Penetrations, Includes Bracket Screws, Includes Mounting Hardware Not Applicable, Outside Diameter Not Applicable, Overall Height 2 in, Overall Length 12 in, Overall Width 8 in, Product Type Mounting Bracket, Shape Not Applicable, Usage Location Not Applicable, Color Red, For Use With 3M Fire Barrier Pass-Through Device, Square in Fire-Rated Floor and Wall Assemblies, Material Metal