Goggles with indirect ventilation and folding frame. The eyepiece is fitted with clear lenses. The folding frame is fitted with SVAR welding filters with protection levels 4 to 8 and pre-fitted clear cover lenses. When the frame is raised, they serve to protect the eyes from the impact of slow flying particles. When the frame is lowered, they are used to protect the eyes during welding, from radiation produced during soldering, welding and flame cutting of metals. PVC frame colour: blue. Replacement visors can be ordered. Material of visors: PC 3 mm, glass Colour of visors: clear and grey Material: clear PC 3 mm thick (protective) Optical class: 1 Exchangeable lenses: yes Can be combined with dioptric glasses: yes Protection: mechanical Impact protection: increased strength S Temperature resistance: -5 °C / +55 °C Weight: 142 g Conforms to standards: EN 166, EN 175 CE approval: yes