Uxcell Bubble Wall 2-in-1 Air Stone Tube Set, 14-Inch Long, Green Product Name : Bubble Wall Air Stone Tube; Suitable for : Fish Tank, Aquarium Fit for Aquarium Oxygen Pipe External Dia. : 6mm/0.24"; Design : Tube Shaped Material : Plastic, Rubber; Tube Size(Jointed) : 35.6 x 1cm/14" x 0.39" (L*D) Color : Green; Total Weight : 31g Package Content : 2 in 1 x Bubble Wall Air Stone Tube