ELCO Lighting ELK19SD Koto Architectural LED Light Engine Sunset 850 lmELCO Lighting ELK19SD ELK19SD Product Description The Koto System is the perfect high end residential downlight system. The module has a 2 aperture with lumen outputs over 1000 lumens. The small face allows for glare free downlighting and adjustable options that match throughout a project. The module allows for interchanging lenses as well as adding filters like a louver. The quality driver built on top of the module allows for simple product