Fire Barrier Restricting Collar, Fire Rating 2 hr, For Pipe Size Not Applicable, For Use On Pipe, Includes Not Applicable, Includes Mounting Hardware Not Applicable, Outside Diameter Not Applicable, Overall Height 6.5 in, Overall Length 25 ft, Overall Width 2 in, Product Type Restricting/Universal Collar, Shape Not Applicable, Usage Location Not Applicable, Color Silver, For Use With 3M Wrap Strip FS-195+ or Ultra GS, Material Steel, Metal Material Gauge 26 ga, Standards NSF H2