The Master Flow 6 in. Straight Oval-to-Round Boot helps provide a straight transition from an oval pipe to a round pipe or insulated， flexible duct. This boot is an energy-efficient alternative to using a stack duct. Designed for durability， this boot is made of zinc-coated， galvanized steel. The boot has a maximum temperature rating of 390 degrees Fahrenheit and a minimum temperature rating of -100 degrees Fahrenheit.
Made of zinc-coated galvanized steel
Designed for 6 in. round ducts
Provides a straight "in-line" transition from an oval pipe to a round pipe or insulated flexible duct
Energy-efficient alternative to stack riser duct
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
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