Adjustable Bubble Size Aquarium Oxygen Bubble Ball Increaser for Aquarium Fish Tank Air Pump

Description : Adjustable Bubble Size Aquarium Oxygen Bubble Ball Increaser Air Ball for Aquarium Fish Tank Air Pump Accessory Air Bubble Aerator - 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). Specification : Material Plastic Color Black Head Shape Square, Round Weight 14g Size Square : 5.5cm Round : 5.3cm Package Includes : 1 x Bubble Increaser