40mm Air Bubble Stone Aquarium Aerator Pond Pump Air Stone Bubble Disk Aquarium Air Pump Hydroponic Oxygen Plate

Features: 100% Brand new and high quality 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, different from other air stones Creates bubbles in fish tank while attached to an air pump Creates water currents and dazzling underwater scenes Easy and convenient to use. Perfect accessories for better life Size: Approx. 40mm x13mm (DxH) Material: Mineral stone and Plastic Weight: Approx 36g Suitable for inner diameter 4mm soft tube Easy and convenient to use Package included: 1pcs Air Stone Note: The sale is a single 4CM air disc, no air pipe and other accessories, please soak the product in water for 15 minutes before use!