Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.  

Product Name: Isolated Positive Pressure Oxygen Breathing Apparatus Model NO.: HYZ4 Certification: CE, ISO Material: Plastic Type: Air Breathing Apparatus Suitable for: Adult Using Field: Field Application: Many Place Service Time: 4 Hour, 2 Hour Volume of Oxygen Cylinder: 2.4L Oxygen Volume: 480L Overall Dimension: 560mm