multi-pore hollow fiber is a new product on HYNA-AQUA membranes company. Multi-pore hollow fiber have 7-pore in one hollow fiber, each hole ID is 0.9mm, the whole hollow fiber OD is 4.2mm. MWCO is 100,000 dalton, and the water flux is 230L/m2.hr, hollow fiber material can be PS,PP, PVC and PVDF.