Aqua Illumination - Ext Rail 6 Clear Seachem 7 kg Connections fitting 3/4″

7 kg  Connections    fitting 3/4″ – 16mm int

Supplement contains nitrifying bacteria

No hollowness

All AI devices include smart control standard

Its high porosity and surface area give it a large binding capacity

Aqua Illumination - Ext Rail 6 Clear Seachem 7 kg Connections fitting 3/4″The EXT Rail System continues AquaIllumination's industry leading core of modularity and elegant design. From mounting a single Hydra to hanging multiple modules over your tank, the EXT provides a sleek and complete mounting solution. Connect, mount, and hang single or multiple lights together with these versatile rails. Made from extruded aluminum in silver or black. Available in 6", 12" and 18" lengths.