Speedglas G5-01 auto darkening welding screen with battery filter pack This speedglas unit is just over 12 months old and in great condition The clear lens are brand new and it comes with 2 new outer lens as well. The filter in the battery filter unit has only been in the unit 2 weeks and is like new. It comes with the 3M carry bag and has the air flow meter that comes with this as standard. The whole unit has been serviced between every 2-3 weeks with a complete clean down and and bits that have needed replacing have been replaced. This has had a full service and clean prior to being listed