This TZL30 filter-type fire escape respirator features a silver reflective hood with orange adjustment straps, complying with GB21976.7-2012 standards with 99% protection efficiency. The built-in high-efficiency activated carbon filter provides 3-15 minutes of vital respiratory protection in smoke-filled environments. Measuring 19.5cm×14cm×11cm, this portable device includes an anti-fog viewing window for clear vision during evacuation. Ideal for residential buildings, hotels, and office buildings during fire emergencies, this respirator is essential safety equipment for homes and businesses.