Greatech Fine Bubble Membrane Diffuser Diameter: 220mm, 330mm Membrane Material: EPDM Dish Material: ABS Flow Rang: 0.02 - 0.14 m3/h Bubble Size: 1 - 3 mm Dual Membrane with Non-Return Valve Pipe Fitting is also available Application: Biological Aeration Fishery Spots Activated Sludge Systems Wastewater Treatment Oxygenation for Sludge Digestion Ozone Diffusion in Water. By carton.
