20W Constant Current Tungsten Light Source
![20W Constant Current Tungsten Light Source 20W Constant Current Tungsten Light Source](https://www.laser2000.com/88862-large_default/20w-constant-current-tungsten-light-source.jpg)
Reference number: BWT-BPS2.0
20W Constant Current Tungsten Light Source with Replaceable Bulb from B&W Tek with stable performance