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• 1pcs 405nm 445nm 450nm Violet/blue Laser Protection Goggles Safety Glasses ParameterProtection wavelength differ 400nm-450nmProtection elements all-round absorptionVisible gentle transmittance >55%Optical Density > 3, (OD +3) Attenuation (10-6 <N% <10-4) Note: Laser light is harm to human eyes, please want this goggles to protect your eyes! Normal sun-glasses takes no effect, yet laser protection goggles can reflect 55% of the light holding goggles is just correct for lower energy 405nm lasers protection,not for high strength lasers. Package: 1x Protection Goggles for Violet/Blue Laser Safety Glasses New (without box)

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