The FAMCO GH - Pipe Flashing - Adjustable is made for 7-12/12 pitched roofs. This made to go over a single wall pipe. No field trimming is required. Completely weatherproof. Large flanges. Also available for "B" gas vent pipe (SKU: GHB). Quality constructed in Heavy Duty 28 - 24 gauge Galvanized steel. The FAMCO GH - Pipe Flashing - Adjustable come in a range of size: 2 inch, 3 inch, 4 inch, 5 inch, 6 inch, 7 inch, 8 inch, 9 inch, 10 inch, and 12 inch. The FAMCO GH - Pipe Flashing - Adjustable 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 email.