Item Condition New-Opened box In excellent condition. Never been installed. Has signs of minimal scuffing. Item Location Ships from our warehouse in Las Vegas, Nevada, 89102, USA Fast FREE Shipping We handle all paid orders within 1 business day. Best Offers Accepted Offers are reviewed at the close of business each night. We accept reasonable offers for - Multiple units of the same item - Errors or condition changes within our listing - Combining shipping for 2 or more separate orders Return Policy We offer a 30 day return window from when you receive the item. Items must be in the same condition and in original packaging. Product Description The Master Flow 10 in. x 6 in. Rectangular Stack Head helps transition from a rectangular stack duct to a sidewall air register or grill. Designed for durability this stack head is made of zinc-coated, 30-gauge galvanized steel. This stack head features a minimum temperature rating of -100 degrees Fahrenheit and a maximum temperature rating of 390 degrees Fahrenheit. Designed to move air from rectangular stack duct to a sidewall air register or grill Always insulate ductwork for greater system efficiency and comfort Always seal seams with code approved mastic, sealant or duct tape Install with sheet metal screws (not included) Features a minimum temperature rating of -100 degrees Fahrenheit and a maximum temperature rating of 390 degrees Fahrenheit