High Purity 20m3/H Psa Oxygen Generator for Aquaculture Water Treatment. High Purity Oxygen Output: Delivers 93% to 96% oxygen purity with adjustable flow rates from 5 to 200 Nm3/h. Advanced PSA Technology: Utilizes pressure swing adsorption with molecular sieves for efficient oxygen-nitrogen separation. Modular Design: Compact modular structure saves land area and ensures stable, easy operation. Extended Service Life: Features unique carbon molecular sieve protection measures to prevent dusting and extend lifespan. Low Energy Consumption: Designed for low energy usage and cost with strong adaptability and fast gas production. Customizable Color: Color options are available for customization to meet specific client requirements. ISO13485 Certified: Manufactured under ISO13485:2016 standards ensuring high quality and safety compliance. Smart Control Options: Optional touch screen, dew point detection, and DCS communication for automated control.