The Atrix 31671 is a black stretch hose. With it's ESD (Static) Safe properties, it can be used with the Atrix Omega or Express series vacuums in and around static sensitive equipment. In addition, this 10' stretch hose relaxes to about 40"", allowing it to be stored easily in the cover of most service vacuums. ESD Safe. 10' Stretch Hose. Universal-Compatible Atrix. DESCO/SCS/3M.