Constructed from black polycarbonate body & specular reflector., Recessed depth of only 100mm ideal for shallow ceiling heights (emergency versions 200mm)., Drop Glasses (NLCFLDGC, NLCFLDGO) can be used as dual-purpose to give IP44 rating if required (when fully pushed in)., Adjustable fixing clip suitable for ceiling sytems 1-25mm., Quick fit user friendly tool free installation., 190mm cut out for entire range, giving a neat uniform installation regardless of wattage or attachments.