... as wellFunctions:1) Multiple filters and purifies repeatedly: the GL-8188 is composed of filter net, HEPA filter net,Two ... layer photocatalyst has strong function of refraining and killing bacterium. GL-8188adopts Solar coat ultra-photo catalyst imported from Korea and ... eliminating bacterium under light4) Negative ions may cleanse air: GL-8188 can release lots of negative ions which make clean ...