Translucent decorative collars fill the aperture with the amber color while producing white general downlighting. Collars are available in different lengths. Use to add interest, create a theme, match a theme or define a space. Depth: 5/8" Finish: Amber Compatible Trims: NIO-2: 2" Iolite NIO-4: 4" Iolite NIOB-2: 2" Iolite NIOC-2: 2" Iolite Can-less NIOC-4: 4" Iolite Can-less