GTX-D NCF(R) Duplex Power Outlet for US (Rhodium)Furutechs Top Tier GTXD NCF Receptacles include a Nano Crystal Formula (NCF) Nano Crystalline, Ceramic, and Carbon Powder. Incorporated into select Furutech products, Nano Crystal Formula NCF is comprised of a special crystalline material that has two active properties. First, it generates negative ions that eliminate static, and secondly, it converts thermal energy into far infrared. Furutech then combines this remarkable crystalline material with