uxcell Fish Tank 90cm Length Soft Flexible Rubber Hose Air Curtain Bubble Black Product Name : Aquarium Air Curtain;Material : Rubber Pipe Diameter(Approx.) : 1cm/ 0.4";Pipe Length : 90cm/ 35" Inlet Connector Inner Dia. : 2.5mm/ 0.09";Inlet Connector Outside Dia. : 5.3mm/ 0.2" Color : Black;Net Weight : 116g Package Content : 1 x Air Curtain Bubble