["brand new and high quality\nFeatures:\nMade of stainless steel, far better than simple plastic bottle generator, more durable, stable, safe and high pressure resistant.\nAutomatic pressure relief for valve, when the pressure of the inside steel bottle exceeds 30KG will automatically release pressure. 12V Waterproof solenoid for valve，Keep away from the danger of water leakage from the solenoid for valve, protect your safety.\nThe CO2 generator system equipped with the atomizer, refine the bubbles and make it easy to dissolve in water and be absorbed by plants, Keep your aquarium full of vitality. When using this product for the first for time, there will be large bubbles in the refiner, which will gradually disappear within 3 days.\nGenerates CO2 on your own: you only need citric acid, baking soda, and water which are available in supermarkets. When the gas in the bottle runs out, you only need to purchase the material again.\nAquarium CO2 Generator Set only,other accessories demo in the picture is not included.\n\nSpecification:\nMaterial: Stainless Steel\nSize: app.42x9cm/16.54x3.54in\nColor: As the pictures shown\nPlug Style: EU\nQuantity: 1 Set\n\nNote:\nNo retail package.\nPlease allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\nDue to the difference between different monitors,the picture may not reflect the actual color of the item. Thank you!\n\nPackage Contents:\n1 Set x Aquarium CO2 Generator"]