This was a common issue with the first generation of fume extraction torches. In order to fit all the additional components into the first fume extraction torches there was a significant amount of added weight that made the torch bulky, heavy and cumbersome to handle. Today, with a much-increased focus on weight reduction, welder access and torch ergonomics, modern fume extraction torches are far more comfortable and welder-friendly tools. So much so, that some, including our own xFUME / RAB torch line, are actually less in weight than comparably rated, non-fume extraction torches. Weld.com has a great YouTube video that covers the fume extraction weight question.