We sell two types of ceiling mounted emergency lightboxes: flush and standard.
Flush Ceiling Mounted Emergency Lightboxes - recessed edge-light in white finish. Supplied with double sided screen printed legend pane. Requires a 50mm depth above ceiling tile or plasterboard and is fixed with 2 spring clips into a 330 x 135mm cut out.
Standard Ceiling Mounted Emergency Lightbox - edge light in white finish. Supplied with double sided screen printed legend panel with diamond polished edges. Fixed direct to ceiling the overall size is 290x440mm.