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About product and suppliers:
        Alibaba.com offers 3,693 string wound filter products. About 67% of these are water treatment, 5% are other industrial filtration equipment, and 3% are air filter. 

A wide variety of string wound filter options are available to you, such as free samples. 

There are 3,659 string wound filter suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Turkey, which supply 95%, 1%, and 1% of string wound filter respectively. 

String wound filter products are most popular in Mid East, Southeast Asia, and South Asia. 

You can ensure product safety by selecting from certified suppliers, including 1,252 with ISO9001, 383 with Other, and 317 with ISO14001 certification.