Gruppo di raffreddamento 3M Vortex tubo V-100, speedglas, Adflo
3M SPEEDGLAS. VORTEX COOLING TUBE. VORTEX COOLING TUBE UNIT. MADE IN SWEDEN BY 3M INTERNATIONAL AB. Vortex Cooling Tube Unit . THE SYSTEM WORKS WELL. You get what you see in the picture (s). I take my own pictures.