Jardin Aquarium Aeration Tube Bubble Wall Air Stone, 18-Inch, Green Product Name : Aquarium Bubble Wall Air Stone Tube; Suitable for : Fish Tank, Aquarium Design : Tube Shaped; Material : Plastic, Rubber, Polycyl Tube Size(Jointed) : 46 x 1cm/18" x 0.39"(L x D); Color : Green Net Weight : 20g Package Content : 2 x Bubble Wall Air Stone Tube, 3 x Suction Cup