A perfect equipment to increase the dissolved oxygen for your pond Ã??? Mountain Tree Air Diffusor. Smooth industrial design to eliminate sharp edges, ensure it is no damage to fish.

304 stainless steel base + plastic air nozzle, not easy to get rusted. Its weight makes it will not float and easy to use with a large flow air pump.

• 304 Stainless Steel base andÃ??plasticÃ??nozzle
• Heavy weight to make sure it sinks on the bottom
• Rounded edge design to ensure the safety of fishes
• Environmental friendly rubber

Made of imported eco-friendly rubber from Japan

The rubber ring is made of eco-friendly rubber imported from Japan, which has a longer lifetime than regular product.

Irregular pores on rubber

Thanks to the irregular pores on rubber, the water contains more dissolved oxygen and fishes are happier and more lively!