4-Pack OD4+ 200nm-450nm Laser Safety Glasses - Protective Goggles for 405nm, 445nm, 450nm Blue Lasers | Eye Protection for Labs, DIY Projects & Laser Engraving

Product Description

4pcs OD 4+ 200nm-450nm wavelength laser safety glasses (for common 405nm, 445nm, 450nm blue laser light eye protection goggles) Parameter protection wavelength range: 200 nm - 450 nm Protection Features: All round absorbency Visible light transmittance : > 55% Optical Density: > 4.0, (OD +4) Features: Laser light is harmful to human eyes. Choose these goggles to protect your eyes. Ordinary sunglasses are not effective, but laser protective goggles can reflect 55% of light. These 405nm laser protective goggles are not suitable for high power lasers, but are only suitable for low power lasers. Package 405nm 445nm 450nm Purple Bluelet 4 safety glasses and goggles (NO BOX) to protect diodes