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The Variable Speed Blower Control unit allows you the ability to vary the speed of your Inline Duct Blower. You can "dial in" the appropriate setting for your ventilation needs. Useful for reducing noise, and tuning your carbon filter/fan set up.

Features:

• 3 Position Switch for Variable, Off, and Full Speed
• Low/Medium/High Control Dial
• 6' Power Cord
• 15 Amp Fuse
• Grounded Outlet

It comes with a 3 year no hassle warranty.