Weller Adapter with Damper For Extraction Arms WFAN50, WFAF50, WFAS50 Product Details Catalog No. 0053637199 UPC Code 037103225986 Fits Tool(s) WFE2S/WFE2ES Description Fume Extraction Seal Product Features: Connects 50mm extraction hose from FE system to benchtop extraction arm Will mount directly into hole in bench top or through WFTB50 mounting bracket Can be used to seal off one of two stations while not in use