SUNGOOYUE Adjustable Aquarium Air Pump with Stable Suction Cups - Plastic Fish Tank Oxygen Bubble Generator, Air Stone Refiner & Oxygen Pump Accessories for Freshwater & Saltwater Tanks - Perfect for Home, Office Aquariums & Fish Breeding Tanks

High-quality materials --- Made of high quality plastic, silicone and cotton materials, this fish tank bubble refiner is sturdy and durable enough to last a long time, suitable for most air pumps.

Increased dissolved oxygen rate --- This fish tank bubble refiner is easy to use, the rotation can control the density of the bubble size, and the uniform bubble can improve the dissolved oxygen rate.

Firm and stable --- This fish tank bubble refiner has a stable suction cup, which can be firmly fixed without falling off, and the cotton pad can be replaced, which is easy to remove and wash.

Rotation Control Design --- This fish tank bubble refiner features a rotary control design that adjusts the size and density of the bubbles, creating bubbles that help increase oxygen levels and reduce carbon dioxide.

Easy to use --- This fish tank bubble refiner has fine workmanship, simple and compact structure, and is easy to use, even if you are using it for the first time, there are no difficult requirements.