Adjustable Air Refiner with Stable Suction Cup Fish Tank Oxygen Bubble Generator for Aquarium

Feature: 1. Manufacturing Material: Made of high quality plastic, silicone and cotton materials, sturdy and durable, can be used for a long time, suitable for most air pumps. 2. Dissolved Oxygen Rate Improvement: The rotation can control the density of bubble size, and the uniform bubble can improve the dissolved oxygen rate. 3. Stable Suction Cup: Stable suction cup, can be firmly fixed, do not fall off. Replaceable cotton sheet, easy to disassemble and wash. 4. Rotation Control Design: Rotation control design can adjust the size and density of bubbles. Creates air bubbles, aids in increasing oxygen levels, lower CO2. 5. Easy to Use: Easy to use and fine workmanship. Without any difficult requirements even though you use it for the first time. Specification: Item Type: Adjustable Air Refiner Weight: Approx.19g 0.7oz Material: Plastic, Silicone, Cotton. Package List: 1 x Oxygen Refiner