Modixun CO2 Diffuser Kit, Aquarium Oxygen Diffuser with U-Shape Tube+Control Valve+Check Valve+8.2Ft Pipe, Aquarium Air Stone Makes Bubbles for Fish Tank Hydroponics, Small

【Complete Accessories】 You will get 1 small CO2 diffuser with 2 suction cups, 1 U-shape tube, 1 regulating valve, 1 check valve and 1pcs 8.2ft/2.5m oxygen tube. Please soak the diffuser in water for 2 hours before use. It needs to be used with an oxygen pump. 【High Dissolved Oxygen Rate】 Air vents hole adopt nano ceramic pieces, highly breathable and produces air bubbles that can bring abundant oxygen, providing a friendly living environment for the growth of fish and plants in the aquarium. 【Bubbles Adjustable】 A very dense cloud of bubbles is required, please adjust the air pump by hand. The air volume of aquarium bubbler can be adjusted by the control valve. U-shaped tube avoids clogging due to pipe bending. 【Dense Small Bubbles】 Aquarium bubble stone can create small and dense bubbles quietly. The gurgling effusion of tiny bubbles out form a beautiful bubble curtain, creating a dazzling curtain effect that adds vitality to your fish tank. 【Small Size】The size is 8.7×4.5cm/3.43×1.77in. Suitable for small to medium fish tank size under 100L/26.4 gallons.2 Suction cups keep the aquarium air bubbler firmly attached to the tank wall. Made of premium borosilicate glass, not easy to break. Perfect for fish tank in home, office and aquarium.