The Trend AIR STEALTH Half Mask has a low-profile ergonomic design that offers less breathing resistance Manufactured from high-grade materials odour free non-allergenic Protects the user against airborne particles oil aerosols mist welds and fumes The twin HEPAC pleat encapsulated design filter provides 9999 filtration of airborne particles and aerosols at 03 micron and above The TPE mask body is latex and silicone-free An exhalation valve on the bottom of the mask ensures no exhalation fumes steam or fog-up glassesvisors A protective grill covers 100 of the filter surface The grill also protects the filter from moisture and particulates ensuring it performs better in clogging pressure and filtration efficiency A single-piece head and neck strap with a quick release provides added user comfort Conforms to half mask standard BS EN 140 Respiratory protection to BS EN143 P3R Approval P3 R APF20 x WEL