For Demo purposes. We encourage more vendors and green products to come on board! S$200 to 400 per item. We are the first company outside Japan to manufacture multi-channel flat sheet ceramic membrane in commercial quantities. With a nominal pore size of 0.5 µm, this membrane is able to reduce suspended solid, dust, fungi and even bacteria. The alumina-made membrane has highly stable physical structure, hence, suitable to operate under harsh environment.