The door is inflated for sealing,and the double doors are electronically interlocked. The airtightness of the cabin body reaches above OEB4 level. There are two spray modes:emergency large-capacity spraying and general spraying. The interior is integrally treated for waterproofing. Water temperature control,and the mist shower temperature is automatically controlled. Water temperature control,and the mist shower temperature is automatically controlled. Closed valves for the fresh air and exhaust interfaces. Equipped with a BIBO (Bag In,Bag Out)safety filtration device. The door is inflated for sealing,and the double doors are electronically interlocked. The airtightness of the cabin body reaches above OEB4 level. There are two spray modes:emergency large-capacity spraying and general spraying. The interior is integrally treated for waterproofing. Water temperature control,and the mist shower temperature is automatically controlled. Water temperature control,and the mist shower temperature is automatically controlled. Closed valves for the fresh air and exhaust interfaces. Equipped with a BIBO (Bag In,Bag Out)safety filtration device.