Polymem is a South Korea based water purification filters manufacturer specializes in hollow fiber ultrafiltration membrane filters, and hollow fiber membranes & carbon block combined filters. Top quality HF UF membrane filters for countertop water purifiers, under-sink water filters, shower handles, wall showers, and faucets. Polymem UF membrane filters meet 6 log reduction of bacteria. The optimum porosity can filter out bacteria, but allow minerals go through. The reliable HF ultrafiltration filters selected by Samsung Electronics, LG Electronics, and Coway as core bacteria rejection performance filters. Various filter modules / filter cartridges can be designed and produced on customers’ demands. The fine UF membrane filters, Polymem.