Naturell Ultra is our premium externally conductive and groundable fabric providing the option to reduce low frequency electric fields in addition to Radio Frequency / Microwave Radiation 

• Premium semi-transparent cotton fabric (gray)
• Silver/copper filament is coated with carbon therefore it is electrically conductive and can be grounded providing shielding of low frequency electric fields
• Ideal for curtains to shield windows or bed canopies
• Designed and manufactured in Switzerland
• OEKO-TEX Certified as a skin friendly textile and free from harmful substances
• Used for shielding large surfaces (walls and windows) from high frequency electromagnetic waves and low frequency electric fields when grounded
• Radio Frequency Shielding Effectiveness 99.99% or 40 dB at 1000 MHz and 99% effective up to 10 GHz
• Effective shielding for cell towers, cordless phones, security systems, wireless routers and more
• Easy care - Machine Washable, with no loss in protection.  See fabric care guidelines for specific cleaning and maintenance instructions.