Manufacturer: Not specified (China). Model: E-830V. Date of manufacture: Not specified. Owner: Individual. White single-use protective respirators E-830V, FFP3 NR protection class, with an exhalation valve. Designed for respiratory protection from dust, fine solid and liquid particles, and aerosols in the air. The respirators have a face-hugging design, elastic straps, an adjustable nose clip, and an internal foam sealing element. Exhalation valve included.