Fish Tank Air Pump Diffuser Round Air Stone for Oxygen 1Pcs

This item is a round air bubble diffuser. It is made of ABS and quartz sand material, small size and lightweight, high dissolved oxygen, produce more bubbles and wider the area between gas and water. Features - Color: black. - Material: ABS and quartz sand. - Size: 13.70X10.70X2.00cm/5.38X4.21X0.79in. - The air stone disc, high density holes and produce delicate air bubble. - Larger air outlet area, increase contact area between air and water, increase the amount of dissolved oxygen. - Suitable for water treatment, aquaculture, aquarium. - Made of material, it is safe and durable to use, no harm to your fish. - Can be given as a present to your family and friend. Package list: 1 x Air Bubble Diffuser