VIVOSUN Inline Duct Fan Speed Controller
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- VIVOSUN Inline Duct Fan Speed Controller
- Easy to Use: Adjust the speed of inline duct fans to your requirement
- Save Energy: Control the noise levels of your fans
- Simple Box Design: Help to stay out of the way and keep cords tangle-free
- Protection: Automatically protects against fan motor burnout
- 3 Levels of Speed: Low, Medium, High
- Note: Don't use it on Brushless type motors