2pcs Aquarium Nano Aeration Stone Aeration Bar Micro Bubble Diffuser for Aquarium Aquarium Aeration Natural Safe FishOOTDTY2pcs Aquarium Nano Aeration Stone Air Bath Bar Micro Bubble Diffuser for Aquarium Aquarium Aeration Natural Safe FishDescription:100% Brand New and High QualityFeatures:Micro bubbles dissolve more oxygen in the water and burst peacefully on the surface of the water. The abundant cascades of small bubbles are perfect for fish, bettas, shrimp, and all kinds of aquatic creatures. Durable matte material with small air holes, fine air bubbles and better atomization effect. Low-pressure silencing is more energy-saving, and the large suction level allows the air hose to be fixed to prevent air bubbles from moving. Specification: Type: Nano Oxygen StoneMaterial: White Corundum + AluminaApplications: For Aquarium Aeration Aquarium Features: Nano Oxygen Stone, Nano Aquarium Aeration, Micro Bubble Diffuser, Natural Safe Aeration, Fish Farming SuppliesDimension: app.10cm/3.94inColor: White+BlackQuantity: 1 setNote:1. Please allow 0-1cm error due to manual measurement. Pls make sure you do not mind before bidding.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Included: 2pcs x Nano Oxygen Stone