rFoil 1800 Ultra NT SCIF Barrier - Solid, 4' x 125' (500 sq ft) EM-Corner Protectors The large washer head adds

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rFoil 1800 Ultra NT SCIF Barrier - Solid, 4' x 125' (500 sq ft) EM-Corner Protectors The large washer head addsUltra NT SCIF Barrier from EcoFoil is designed to help create secure rooms where sensitive compartmentalized information can be stored, processed, or discussed. This RF shielding material features a tough woven polyethylene layer bonded between two highly reflective, tear resistant aluminum foil facings. Engineered to block RF frequencies from entering or escaping a protected space, it is frequently specified for military, government, and corporate