sera 12mm Aquarium Hose Splitter with Junction for 4mm Hoses

The splitter is ideal for e.g. breeding boxes, small aquariums or small filters with water It has a small junction on 4 mm hoses, which allows you to branch small amounts of water The Sera splitter can be easily mounted as a connector between two 12 mm hoses Intermediate piece with junction for diameter 12/12/4 mm