Uxcell 9-Piece Aquarium Air Line Connectors 2-Way Adapters Set, 5mm to 10mm Aquarium Air Line Adapter Connector; Type : 10mm to 5mm Air Line Material : Plastic; Color : White Size : 2.8 x 1.8cm/1.1"x0.7"(L*Max D) Weight : 9g Package : 9 x Aquarium Air Line Adapter Connector