The Weller WEHB (FT91000023) Fume Extraction Hood Bottom is ideal for gluing or cleaning applications where gases from solvents or glue, lighter than air, have to be extracted from below. The WEHB comes with the 700-3051-ESD Extraction Hose and is compatible with the Zero Smog 4V or Zero Smog 6V systems. The hood covers the workplace with a punched stainless steel plate.