3 Inch Duct 6.56 Feet with 4 to 3 inch duct reducer

APPROPRIATE SIZE : On one side there is a 99mm Female Spigot（inner:98mm） - Will fit into 4'' dust collection hose/4 inch fan. On the other side there is a 74mm(inner:73mm) Male Spigot - Will fit into 3 inch duct/exhaust fan., DURABLE MATERIAL : 4 inch to 3 inch duct reducer made of galvanized steel, which is stronger and more resistant to high temperatures than ordinary plastic or pvc duct reducer, and is suitable for dryer vent environments., WIDELY APPLICATION : 4in to 3in duct reducer designed for widely used, such as air-cooled hoods, garage, attic, bathroom kitchen extractor fan, hydroponics and HVAC ventilation systems, plastic rigid ducting is perfect for DIY and trade use.,Dryer Vent Hose: Hon&Guan 3 inch duct hose that can be used to transition between the dryer and the duct, 3 in diameter, 6.65 feet long when fully extended, and can bend freely which suitable for any space whether it is tight or spacious,Thermal Insulation: Hon&Guan Fire Resistant Dryer Duct, Forms a tight seal to direct fumes and humidity safely away from living spaces, temperature endurance range is 0 - 185°F. (-18°C - 85°C)