5Pcs Mini Aquarium Fish Tanks Bubble Stones Oxygenation Oxygen Pump Generator Accessory

Feature: 1. With the rotating control design, the size and density of the bubbles can be adjusted. 2. It can generate bubbles, reduce carbon dioxide, and help increase oxygen content. 3. Made of environmentally friendly plastic materials, non-toxic and long service life. 4. Perfect aquarium accessory, can effectively maintain the respiration process of fish in fish tanks. 5. Suitable for any air pump, aeration pump, fish farming equipment, aquarium, fish tanks, etc. Specification: Condition: 100percent Brand New Item Type: Bubble Stone Material: Plastic Product Color: Blue Product Size: Sucker Diameter: Approx. 2.6cm / 1.0in Length: Approx. 3.2cm / 1.3in Application: Aeration pump, fish farming equipment, aquarium, fish tanks, etc. Product function: Used to generate bubbles, help increase oxygen content. Package List: 5 x Bubble Stone Note: 1.Please allow 0-1 inch error due to manual measurement. Thanks for your understanding.2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.