Extremely light and compact; offers the wearer as much comfort as possible. A unique filter with a low profile, suitable for the contours of the face with maximum visibility. Low breathing resistance reduces the risk of the user becoming tired and offers additional comfort. Tightly folded, composite, hydrophobic (water-repellent) material enables the HEPA filter to achieve maximum particle protection of more than 99%. Made of soft thermoplastic elastomer, hypoallergenic (latex, silicone and odorless), with easy to adjust headband.