10108 Flat Air Stone is a large premium ceramic flat disc air diffuser that produces an exceptionally wide and even curtain of ultra-fine oxygen bubbles across its entire surface for superior dissolved oxygen transfer in large fish ponds and commercial aquaculture systems. Hardened at high temperature with aluminium alloy for maximum durability, the 10108 is the ideal oxygenation diffuser for serious Nigerian fish farmers who need maximum aeration performance from a single high quality diffuser.