Hon&Guan 3 Inch Inline Marine Bilge Blower Fan with 4 to 3 Inch Duct Reducer

APPROPRIATE SIZE : On one side there is a 99mm Female Spigot（inner：97mm） - Will fit into 4'' dust collection hose/4 inch fan. On the other side there is a 73mm(inner：71mm) 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., EASY INSTALLATION :No tools are needed to install the 4 to 3 reducer, our calibre makes it easier to fit your duct on, and with the purchase of Hon&Guan hoses, clamps are included to make the duct connection between your reducer and the hose even tighter., Energy-Efficient Ventilation This powerful inline duct fan speed of 9000 RPM can create the air flow of 120 CFM, Maximum power consumption is only 20W. Upgrade DC motor & low noise effectively circulating air, quickly move vast amount of air to exhaust odors., Easy to Install Hon&Guan bilge blower's blade and the body are made of high quality plastic for quick removal and maintenance. Also built-in mounting feet for easy vertical or horizontal installation.