Fish Tank Toys Ornament Volcano Shape Ornament For Aquarium Air Bubble Stone Fish Tank Oxygen

Features: Practical and durable home using product Increase oxygen levels, lower CO2 and raise PH. It is an important instrument to successfully keep aquatic fish for respiration process. Durable, washable and sintered by high temperature. Creates bubbles in fish tank while attached to an air pump(air pump is not included). Creates water currents and dazzling underwater scenes. Perfect accessories for better life

Specifications: Color: As picture Material: Plastic Item Shape: Volcano Item Size: Caldera diameter: 2cm;Bottom diameter 6.5cm; high 4.5cm Item Weight: Approx. 90g Package include: Only 1*air bubble stone (no tubes) Suitable for inner diameter 4mm soft tube