Product Overview: This aluminum oxygen cylinder regulator is designed for efficient oxygen delivery, complete with a humidifier and accessories for optimal use. Key Features: ‣ Features a precise flow regulator for accurate oxygen control. ‣ Includes a built-in humidifier for moisture-rich oxygen delivery. ‣ Lightweight aluminum construction for portability. Technical Specifications: ‣ Material: Aluminum cylinder and durable plastic components ‣ Compatibility: Suitable for medical oxygen use ‣ Connectivity: Manual operation ‣ Capacity: 4.5L