4" Inline Duct Fan This High-efficiency Inline Blower is able to move air through carbon filters, long stretches of ducting or grow light reflectors. With a tape flange, it is rather convenient for you to place the ducting on the blower and tape it in place. Exchange stale air with fresh air to keep temperature or humidity under control and cool your reflector with this top-quality blower! Come with a set of steel brackets for use. Safe and environmental friendly. 4"Carbon Air Filter This High-efficiency Inline Blower is able to move air through carbon filters, long stretches of ducting or grow light reflectors. With a tape flange, it is rather convenient for you to place the ducting on the blower and tape it in place. Exchange stale air with fresh air to keep temperature or humidity under control and cool your reflector with this top-quality blower! Come with a set of steel brackets for use. Safe and environmental friendly. Speed Control Fuse Protected. UL listed for safe use. One control switch for 3 settings: Variable Speed, OFF, and Full Speed. Speed control dial to control variable speed: Low, Medium or High speed. Built-in a metal clamp at the back of the speed controller. Built-in grounded control outlet. Come with 31-1/2" Grounded Power Cord with US standard plug. Especially convenient for you when the power cord of your fan is not very long. Lightweight, practical and easy to use. Perfect to control speed for high velocity inline fan and mini blower. Make your fan quieter when adjusting to low or medium speed. Safe and environmental friendly.

• 4" Inline Duct Fan 190 CFM 2800 RPM Power 68W, Input Voltage AC 110v/60Hz, Current 0.5A, Dimension 7:5" Duct Size 4"
• 4"Carbon Air Filter 200 CFM, Dimensions 8" x 13.75" with 4" Flange Ducting, RC 48 Virgin Activated Carbon, Aluminum Cap Construction for Maximum Output, 50mm Carbon Layer of Thickness for Higher Absorption and Performance
• Speed Control Voltage AC120V, 60Hz 15A, Max Power 1800W, Fuse 15A, Dimension 5-1/2"L x 2-2/5"W x 2-2/5" H, Power Cord 31-1/2"

4" Inline Duct Fan 190 CFM 2800 RPM Power 68W, Input Voltage AC 110v/60Hz, Current 0.5A, Dimension 7:5" Duct Size 4"