DollaTek Aquarium Oxygen-enriching Disk Stone Atomized Nano Bubble Stone Bubble Disk (50mm diameter white)

• Nano bubble plate High dissolved oxygen, exquisite bubble generation, nano material, solve the troubles of fish life, and no harm to fish health
• Adjust the oxygen increase to meet the different fun environments of fish. The regulating valve rotates counterclockwise to increase the air volume, and rotate clockwise to reduce the air volume.
• High-temperature firing, carefully selected sand and stone, good permeability, strong and durable, high-density nano-pores are not easy to remain, and more resistant to pollution (recommended to be cleaned every 2 months to maintain a good dissolved oxygen content)
• Product configuration control valve: adjust the bubble density, check valve: prevent water backflow, protect the oxygen pump, suction cup: better fix the air pipe to prevent the bubble disk from moving
• Reusable, when you find that the foam is low on foam, you can clean and reuse the foam. Adequate fresh air is very important for keeping fish healthy.

Product information: Size: inner diameter 50 mm, outer diameter 70 mm Air tube diameter: 5mm Package contents: Air stone * 1, control valve * 1, check valve * 1, sucker * 1 Precautions: 1. It is best to soak in aquarium for 2 hours before use. Suitable for 40-70CM depth aquarium. 2. The air stone itself cannot emit air bubbles, it must be connected to the air pump through the air pipe. This product does not include air tubes and air pumps. 3. If airstone air bubbles are reduced, it can be reused after cleaning. It can be used for a long time.