Version:
- plastic frame with a close-fitting design
- flip-up with multi-filter non-prescription lenses
- IR protection and welding protection, level 5 with perfect colour recognition
- UV400 - 100% protection against UV radiation up to 400 nm
- the main frame will be fitted with individual prescription safety lenses
- good fit with anatomically shaped nose bridge
- individually adjustable side arm length and angle with adjustable soft-form comfort ear-pieces

Technical Data:
- Ref. no.: 5505 9995 57/19
- Colour: black, anthracite
- Features: flip-up
- Lens: PC grey
- Infrared protection level: 5
- Welding protection level: 5
- UV protection: UV400
- Lens marking: 16321 W UL5 RL5 WL5 C 1 K CE
- Marking on frame: 16321 W U5 R5 W5 C 1-M CE

Dimensions:
- Lens: 57 mm
- Bridge width: 19 mm

Remark:
- Areas of application: work with IR radiation, average temperature of the radiation source 1390 degC (steel foundries)
- Areas of application: autogenous welding