PWM Manual Speed Controller Hub for 12V 4P Fans & Water Pumps — Small DIY Water Cooling Kit

Take direct, precise control of your cooling setup with this PWM manual speed controller designed for 12V fans and water pumps. The DC interface ensures broad compatibility with a variety of 12V 4P fans and water pumps used in computer cooling or other DIY projects. An ergonomic knob lets you adjust speeds quickly and simply—no advanced skills required—making it suitable for beginners and experienced builders alike. Functions as a stable hub, allowing multiple 4P fans and water pumps to be connected at once while providing even power distribution for consistent performance. Built from durable materials to endure continuous operation across different conditions, this regulator offers long-term reliability for your water cooling and cooling-related projects.