Haokaini Low Pressure Nano Air Stone Bubble Disk Diffuser - 4 Inch Aquarium Oxygen Diffuser for Fish Tank, Pond & Hydroponics - Increases Oxygen Levels for Healthier Fish & Plants

Product Description

Feature: 1. Nano air stone, fine bubble, high dissolved oxygen, and wider contact with the area of water. 2. Fine bubble, such as the "atomization" effect, slowly rising, good looking scenery for fish tank. 3. Adjustable bubble size, smaller the air flow, smaller the bubble. 4. Low pressure air disks, small power air pump can also produce fine bubbles. 5. Three different type for you to choose, meet your different needs. Specification: Item type: Fish Tank Air Stone Disk Condition: 100% brand new Material: ABS + ceramic Color: As picture shown Options: N-50, N-100, N-150 N-50 diameter: Approx. 7cm/2.8in N-100 diameter: Approx. 13cm/5.1in N-150 diameter: Approx. 15.6cm/6.1in