Aquarium Air Pump Mute Oxygen-increasing Head Fish Tank Aeration Refiner Oxygen Diffuser Air Stone Supplies

White corundum sand sintered at high temperature is more durable, has good air permeability, and is not damaged after long-term use. Thickened L-shaped intake pipe, 7CM long thickened intake pipe, strong and durable. Double suction cups are fixed, the double suction cups are not easy to fall off, firm and durable. Mini body, exquisite and small, does not occupy the space. High dissolved oxygen, avoid splashing water, very little vibration to the water body, operation below 20 decibels