Description
Professional Clear Plastic Airline Tubing: Standard 3/16 inch diameter Airline Tubing is for aquarium and fish tank connecting air stone needs. Complete Air Pump Accessories: Air stones can be easy driven by air pumps. T-shaped tubing realizes air distribution, straight tube is connected to lengthen two sections of tubes. Red clear valve can prevent water from back siphoning. Control valve can be adjusted to make the bubble stone produce bubbles of different sizes, easy to use. Kink Proof and No
