LGHT RCSD CEIL LED 800L WH 6IN | The Halo Backlit LED Downlight (BLD) incorporates state of the art lighting technology to create an ultra-low profile surface mounting luminaire with the performance and look of a traditional downlight. BLD6 is designed for installation in many 3-1/2 in and 4 in round or octagon junction boxes including pancake boxes. It can also retrofit in 5 in or 6 in aperture IC and non-IC recessed housings. Suitable for residential or commercial installations.