Features: High-Quality PVC Construction: Made from soft, transparent, non-toxic, and odorless PVC material, ensuring safety, comfort, and durability. Carbon Dioxide Retention Prevention: Designed to avoid CO2 retention for enhanced safety. Versatile Oxygen Connector: Compatible with both oxygen tubes and ventilators for flexible use in various settings. Comfortable & Lightweight Design: Equipped with an elastic belt that offers a secure and comfortable fit for effective use. Three-Way Oxygen Tube: Ideal for compressed air atomizers and suitable for use in hospitals, clinics, homes, and other environments where atomized liquids are required. Dual Oxygen Inhalation Capability: Allows two people to inhale oxygen simultaneously, improving efficiency. Specifications: Material: PVC Function: Negative pressure drainage (suction) and fluid collection Size: As shown in the product image Color: Green/White (optional) Quantity: 1 set (tube only, no retail package) Usage: This oxygen tube is perfect for extracting and collecting body fluids, and can be used in a variety of healthcare and home environments. Notes: Please allow a 0-1cm size variation due to manual measurement. Color may slightly vary depending on your monitor settings. Package Includes: 1 x Oxygen Tube (Other accessories shown in images are not included.)