SPL Horticulture Grow Light System 6" Booster In-Line Duct Fan 6-Inch diameter, 240 cfm, 110/120-volt Superior metal blades for long life and quiet operation; light weight and install anywhere Solve air delivery problems without major system rework or expense Extra-long 5.5-Feet grounded power cord Motor features a permanently lubricated bearing that operates quietly and requires zero maintenance