Built in sensitive chip enables instantly light detection and automatic shade to flashing and eye burns Professional protective against harmful radiation with quick response time Features flipping up design with interchangeable lenses for easy switching between shading levels Provides clear while allowing lens replacement when needed Soft silicone nose pad adapts to various nose shapes without pressure or allergies Lightweight 120g construction ( 26x18cm) ensures stable wearing during extended welding Strategically placed ventilation holes combined with sponge padding ensures proper airflows without compromising protective Effectively blocks welding particles and while facial discomfort Provides complete coverage with high strength PP materials to block welding, intense light and heat damage impacts resistance for optimal during welding operations, Manufacturer: Hsyzygian