5000L/H 304 Stainless Steel Household UF Membrane Water Purifier Ultrafiltration Central Whole House Water Filter System|Water Filters| - AliExpress
Membrane Filtration Technologies
PAN UF-8040 uf ultrafiltration filter membrane for water treatment UF system, View Hollow fiber ultrafiltration membrane, Frotec Product Details from China Frotec Environmental Co., Ltd. on Alibaba.com