Best 413 3.25" x 10" to 8" Round Range Hood Transition Duct - Vertical Discharge for Kitchen Ventilation & Stove Exhaust System - Perfect for Home Renovation & Commercial Kitchen Installations

Best® Ductwork Accessories Are Matched To Our Range Hood Requirements. These Elbows, Extensions, And Duct Transition Accessories Ensure Proper Air Flow And Volume Requirements. Refer To Individual Product Requirements For More Details.