eye protection glasses spring balance 2kg When the two sheets are

When the two sheets are at 90 degrees to each other you can see through but when they are parallel that is at 0 degrees they become opaque

Store it safely in its designated case when not in use to protect from damage

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and easy-operation draft shield

Biosafety Cabinet Class II

eye protection glasses spring balance 2kg When the two sheets areeye protection glasses eye protection glasses, Include indirect vents that help protect against splash, Keep your eyes protected from dusts and insects ,poly carbonate lens that reduces cub and ova radiation from natural sunlight by 99 percent. Gender Male, Female Brand labpro Frame Colour Clear Material Poly Carbonate Weight (g) 70 gram Lens Coating Hard Coated; scratch resistant Lenses Color Clear Lens Thickness (mm) 1. 5mm Optical Class 1 Resistant