The Aqua Medic reducing pieces are used for the connection of bypass filters like the Nitratreductor and the Calciumreactor. It is also possible to use the reducing piece to supply the CO² gass direclty in the filter hose of the external filter. The reducing pieces are available in three sizes:
Reducing piece for Tube diameter 9/12 mm (inner/outer) reduced to 4/6 mm Reducing piece for Tube diameter 12/16 mm (inner/outer) reduced to 4/6 mm Reducing piece for Tube diameter 16/22 mm (inner/outer) reduced to 4/6 mm