From the makers of the GRU’s, the world’s best selling line of portable SF6 recovery systems, ENERVAC proudly brings you the GTU gas transfer unit.Designed as a low cost solution to recovering, consolidating and transferring Sulfur Hexaflouride, the GTU is an essential tool for servicing small volume SF6 equipment. All processes required for servicing SF6 equipment can be performed including gas removal, contamination filtration, gas purification, gas drying and manual equipment re-pressurization. The GTU is ideally suited for consolidating partially used SF6 bottles into one bottle or recovering left over gas from larger carts.