Jardin Soft Flexible Rubber Hose Air Curtain Bubble for Aquarium, 48-Inch Length, Black Product Name : Aquarium Air Curtain; Material : Rubber Pipe Diameter(Approx.) : 1cm/0.4"; Pipe Length : 123cm/48" Inlet Connector Inner Diameter. : 2.5mm/0.09"; Inlet Connector Outside Diameter. : 5.3mm/0.2" Color : Black; Net Weight : 147g Package Content : 1 x Air Curtain Bubble