Blast ceiling trims is used with either hard-lid or drop ceilings. Simply set regular ceiling box in place 4.25”/108mm above bottom of ceiling/tile and sandwich trim between box and fixture base. Rimless trims are supplied with removable tabs, ready for use with either 1/2” or 5/8” ceilings. Cutout sizes for blast ceiling trims, always center ceiling box in trim cutout. These handy trims sandwich between any Blast Powercore fixture and ceiling box, turning Blast into powerful recessed downlight or wall washer. Available in white and black and discreet rimless version. For use with Philips color kinetics color blast powercore, Philips color kinetics burst powercore and Philips color kinetics compact burst powercore.