ProductsWelding SuppliesWelding AccessoriesWelding Purge ProductsPipe Purge Masters20" 500mm NOMINAL 485-510mm BAG, PURGE INTERNALItem #PPMPB20Non-StockRequest InformationEmail Product LinkSpecificationsBrandB&B PipeColorRedDiameter20 inProductPurge Bag SystemUsed ForBalancing gas levels for welding