1. Beautiful Shape: The unique round lace edge design not only has practical functions but also adds a special decorative effect to the aquarium, making the aquarium more beautiful and vivid. 2. Uniform Refinement: The lace structure increases the contact perimeter between the gas and water, prompting the gas to be uniformly refined into tiny bubbles and integrate into the water body in all directions, creating a more suitable living environment for aquatic organisms. 3. Sturdy and Durable: Despite its beautiful appearance, the selected materials are sturdy and durable, able to withstand a certain amount of water flow impact and daily use wear and tear, ensuring long - term stable operation.