DGS 4" Digital In-line Fan

4 inch in-line duct fan with a digital controller that allows you to set a high-low setting for your temperature and humidity to create a controlled environment without having to worry about temperatures and humidity getting too low or too high. This fan is equipped with a powerful motor with a thermal protector inside. It is a small volume fan that runs smoothly, has small vibrations, with high pressure and air flow, and strong winds.

Features:
1. Input voltage from 100 to 240V 50/60Hz.

2. 10 speeds optional from 0-100%

3. Strong air volume with silent running.

4. Intelligent controller with temperature and humidity programming, fan speed control, timer, and alarm system.