The Moldex Air Plus ProValve is a reusable FFP mask with a soft TPE seal, low-resistance AirWave® filter and integrated ProValve to reduce condensation. Durable, comfortable and designed for extended use. FFP storage bag available (MOL399401), helps keep the mask hygienic. FFP3 R D for protection against harmful and toxic dust, fumes and aerosols. 20 x WEL (Workplace Exposure Limit). Tested and certified to EN 149:2001 and A1:2009.Select Option Pack of 5Single Add to Basket Quantity