Aquarium Bubble Counter, External Bubble Counter, Fine Workmanship Corrosion Resistance for Fish Tank Aquarium - Product Features
- High transmittance, convenient for observation CO2 output quantity.
- Equipped with suction cup, fixed firmly, not easy to slip, convenient to use.
- Fine workmanship, free from erosion and easy to remember bubble.
- Using grinding tool, one time molding, avoid manual manufacture error.
- High transparent crystal glass, acid and alkali resistance, corrosion resistance.