StonyLab Gas washing bottle StonyLab gas washing bottle is a laboratory apparatus used for the purification and drying of gases; often used in setups like gas delivery systems or experimental setups. Standard Interface Allows products to interconnect with other laboratory tube, such as vacuum tubes, enhancing the adaptability and flexibility of laboratory equipment. Borosilicate Glass Possesses superior transparency and corrosion resistance, suitable for high-temperature experiments within a certain range. Product Comparison Gas Washing Bottle Gas Washing Bottle Cold Trap Bubbler Application Purifying or drying gases Application Purifying or drying gases Application Purifying or drying gases Difference Bent tubes with small balls Difference With fritted disc Difference Use with Dewar Flask