3M Circular Polarizing Monitor Filters

These filters are ISO compliant with polarizing glass that reduces glare up to 99% and blocks up to 99% of ELF/VLF E-Field radiation when grounded. Optimal-tint glass enhances contrast and color representation. Recommended for harshest lighting conditions, in bright, sunny offices and under fluorescent lights. Contoured frames fit snugly and give the monitor a finished look. Manufacturers lifetime warranty.