Duplex IV

The Duplex IV is a fixed protection device against natural electromagnetic contamination: underground water, shiftings and global grids (lines and crossing of the Hartmann, Curry and Benker grids). It is made of stainless steel and does not need to be to connected to the power supply and does not use batteries. Its diameter of action is 20 meters. Dimensions: height 50 cm, weight 2.7 kg. Can be used individually or connected to one or more Rayonator devices from the same manufacturer, increasing their diameter of action to the one of the Duplex IV.