Similar to a barn door, this louver helps shape the beam and reduce stray light. Can't be adjusted like the barn door, but a great option for low profile applications or when a professional look is desired.
For ColorSource Linear fixtures
Covers one 1/2 meter cell, use multiple Lovures for Linear 2 & 4 fixtures (i.e. 4 for Linear 4)
Slides into top or bottom diffusion lens slot
Leaves other slot open for barn door or diffusion lens