With welding fume removal now critical with the announcement in Febraury 2019 that HSE will be enforcing against those companies who don't cover off fume extraction & RPE, it is evident that the filter fitted to your weld fume extraction, is just as critical as the machine itself.
Choosing the correct welding fume filter media will improve the overall function of the equipment, assist maintenance, increase airflow, reduce costs and enhance air quality in your workshop. If you are looking afresh, IFA certified welding smoke filter units, classified W3, specify audible/visual filter monitoring as an essential and insure you have the beginnings of a welding filter maintenance regime.