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BP-3023 (450NM) 190-490 nm laser engraving protective glasses

$30.99
color
Main Features:
● Material: PC + AC
● Protection Wavelength: 190-490NM
● Typical laser wavelength: 405, 445, 450, 473
● Light transmittance: 50%
● Suitable for ultraviolet and blue semiconductor laser device, solid-state laser 473NM, also can be used as a computer eyewear