Good displaceable PU hose,which fluoresces blue at black light and is suiteable for all systems.it can for exemaple,be installed in water cooling systems,but it can also be used as cable channel,one sided slitted.this hose is effective especially as additional cladding for airflow-cable or stuck on the edges of different componets.but.of course,the possibilities are endless here,as well as no limits are set for fantasy. 10mm external diameter and 8mm internal diameter.8mm external diameter and 6 mm internal diameter,it allows no bending radii.the hose is transparent and fluoresces under uv light blue.