Water resistant flush program WU 500 WU Characteristic of the 500 series is the use of shatter-proof material. Illuminated in accordance with the workplace ordinance by lamps 95-97, seesaws in lighter colors have sufficient transparency. With paddles darker color use KO version. With sealing gasket 551 WU 581 WU and CD Cover ... - CD 583 WU ... use. Only the degree of protection IP 44 is ensured. Colours: white (similar to RAL 1013) alpine white (similar to RAL 9010) Brown (similar to RAL 8033), gray (similar to RAL 7038) Rocker CD universal with labeling field 7 x 57 mm for switch, intermediate switch and push button color: alpine white type : CD590NABFWW item: 1 ST.