A perfect equipment to increase the dissolved oxygen for your pond – 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 and plastic 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!