Compact and lightweight respirator mask ideal for everyday respiratory protection against micro-organisms and viruses down to a size of 0,3µ. Comfortable TPE construction, with elasticated head and neck strap. Offers reduced risk of wearer fatigue, making it suitable for wearing over long periods of time. Reduces cross contamination. Large filter surface area results in low breathing resistance. Exhalation Valve for Heat & Moisture Removal Double Strap Harness 99.9% Exhalation Filter "Source Control" Latex, Silicone & Odour-Free Fully Adjustable Filters are Reusable & Changeable Exhalation Valve for Heat & Moisture Removal Double Strap Harness 99.9% Exhalation Filter "Source Control" Latex, Silicone & Odour-Free Fully Adjustable Filters are Reusable & Changeable