Aquarium Oxygen Bubble Increaser Air Ball for Fish Tank Air

Features:Mini body extra lightweight long service life.Provides fish tank more tiny bubbles and more oxygen than other products.Work together with an air pump(not included) make no noise.Professional design with adjustable cover the bubble size can be adjusted according to the power of the pump.Fits for 5mm inner diameter tube(not included).Specifications:Color: BlackMaterial: PlasticItem Size: 6 * 3.5 * 3.5cm/ 2.4 * 1.4 * 1.4inItem Weight: 12g/ 0.4ozNote: The diffuser requires an air pump and airline tubing to work together. This pack includes the diffuser only.Package List:1 * Bubble Increaser