The item is a 436JT 36° Lens Tube with Lens for the ETC Source 4 Junior Ellipsoidal Spotlight. It provides a wide spread of light when installed in any ETC spotlight. Install this tube if your present ETC Jr. spotlight provides a beam that's too narrow for your application.
Expands the capabilities of your Source 4 spotlight.
In the Box
ETC 436JT 36 Degree Lens Tube with Lens for Source 4 Junior Ellipsoidals