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About product and suppliers:
        Alibaba.com offers 173 r o membrane products. About 54% of these are water treatment, 12% are water filters, and 7% are other filter supplies. 

A wide variety of r o membrane options are available to you, such as free samples. 

There are 145 r o membrane suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Taiwan, which supply 87%, 4%, and 2% of r o membrane respectively. 

R o membrane products are most popular in Domestic Market, Southeast Asia, and North America. 

You can ensure product safety by selecting from certified suppliers, including 69 with ISO9001, 17 with ISO14001, and 11 with ISO13485 certification.