hollow fiber uf membrane modules 4021/4040/4080/80401) For 10 years' experience 2) Do customized colors and size 3) High quality with good price 4) Fast deliveryProduct Views.PRODUCT DETAILSpls email us for the catalogue pls contact ustrade manager: suoaiSKYPE: MISSFU_SUOAImobile: 0086-18906092770