Uxcell Aquarium Air Oxygen Circulate Pipe Hose, 9.5m, Clear Product name : aquarium oxygen Pipe;Color : clear Material : soft Plastic;Total length : 9.5m / 31.2ft Internal diameter : 4mm/ 0.156";external Diameter : 6mm/ 0.236" Weight : 139g Package contents : 1 x aquarium oxygen pipe