48 Connecteurs + Tube de ligne aérienne 5M: The pack contains 12 x y Aquarium connector; 12 x Aquarium t air connector; 12 x Aquarium L connector L; 12 x Connector I Aquarium, 5m 4 mm x 6 mm (inside and outdoor) of fish pond air pipe pipe. The length of the 5 m / 197 inch air line is convenient for you according to your required length. Large accessories for your aquarium tube, air pump, check valve, bubble stone connection. meet different needs: The right connector allows you to connect two short airline pieces, applied to make up or lengthen the air hose. The L connector is ideal for 90 degree corners. The Y and T connectors can divide your breathing circuit to pass a second air stone from the same pump. You can also combine two entries to create a more powerful output to use with multiple output pumps. Easy to clean and use: The tube of the airline is soft, flexible, transparent, frosted, resistant to dirt and durable, only need to be cleaned regularly with a brush to ensure