IP68, dot free linear light line with a 16 mm x 16 mm cross section. Opal PVC extrusion body sealed with ultrasonic welded end caps and a twin barrier against water ingress. Special PVC material composition, which is Chlorine resistant for continuous immersion in water with chlorine concentration up to 5 ppm. Length are freely configurable between 544 mm and 5,044 mm in steps of 62.5 mm. Fixture comes with a backside cable exit with 5 m open end cable (chlorin resistant). Light source assembled