Vandal resistant black polycarbonate body with prismatic diffuser and hinged demountable gear tray for easy wiring. Surface wiring facility includes BESA box mounting. Low level 20mm conduit entries. F marked and IP65 rated. 16W CFL (2D flo) lamp not included. Use 16W lamp (code 18969) or 28W lamp (code 21930). Diameter 16c 200mm 28c 285mm.