The FAMCO SC Storm Collar is used with FAMCO metal pipe flashings. This product is used to divert water from running down the pipe and comes equppied with an adjustable tab. Quality constructed of heavy 26 gauge Galvanized steel. The FAMCO SC Storm Collar is available for single wall and “B” gas vent pipe (SKU: SCB). Sizes available are 3 inch, 4 inch, 5 inch, 6 inch, 7 inch, 8 inch, 9 inch, 10 inch, 12 inch, 14 inch, 16 inch, and 18 inch. The FAMCO SC Storm Collar Vent is manufactured by Famco in the United States and comes with a 1-year warranty against product defects and workmanship. If you have any questions about this product, please refer to the FAQs above or feel free to contact us by phone or email.