Diffuser frame with 4 x DAD6 diffusers, manufactured from 316 stainless steel box section. The box is used to carry the oxygen to each diffuser. Only one connection for the gas. Four feet with rubber pads,  diffusers can be removed, or changed.

D.A. Oxygen Ceramic Diffusers

Dryden Aqua manufacture the ultimate in flat plate ceramic gas diffuser. One DAD300 diffuser will supply sufficient oxygen  (carbon dioxide, argon, nitrogen and other gases) to supply 100% of the oxygen demand of approximately 1000 kg of fish with an efficiency approaching 100% transfer of oxygen into solution. In seawater applications it can actually be difficult to see the bubbles, since the gas goes almost directly into solution.

The ceramic plate has been designed to be very strong, the thickness of the ceramic has been increased over the more conventional plates. The pore size is also only 0.3 microns which produces a cloud of tiny oxygen bubbles in the water. There is no better oxygen diffusers or gas diffuser available.

The ceramic flat plate diffusers give a very small bubble size and are used where a small high rate diffuser with a high oxygen transfer efficiency is required. The working gas pressure is 25 to 35 psi, do not exceed 50psi as it may result in damage to the diffuser. The DA flat plate ceramic diffusers all have a 1/4" female BSP female threaded inlet to which can be fitted either a 1/4"or  3/8"hose adapter. Compression fitting can also be fitted, sizes available at 6/4mm and 8/6mm hose fittings