RESPIRATORY PROTECTION Selection aid for respiratory protection . . . . . . . . . . . . . . . . . . . . . . . . . . 130 – 133 Particulate respirators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134 – 141 Half-face and full-face masks + interchangeable filters . . . . . . . . . . . . 142 – 151 Powered air respirators + interchangeable filters + hoods/helmets . . 152 – 159 Powered air respirators with integral head and face protection . . . . . 160 – 161 Filter escape hoods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161 Gas measurement technology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162 – 165