Metal 300x4Danger Diesel Fuel Sign security signage Quick hook and loop hard WS MLB155 Quick hook and loop hard hat attachment and removalMay be worn with hard hat or as a balaclavaOptional mouth cover3M Thinsulate insulation with soft fleece lining Fully adjustable four point cradle suspension ensuring an effective facial fitLow profile angle filter design for minimum visual impairmentDurable thermoplastic rubber mask for superior fitContour moulded nose for fit with glasses and gogglesAble to be worn under most welding helmetsQuick and easy filter cartridge connectionLow resistance exhalation valve to reduce heat and moisture build up