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About product and suppliers:
        Alibaba.com offers 66,760 0.5" filter products. About 6% of these are water treatment, 4% are air filter, and 4% are water filters. 

A wide variety of 0.5" filter options are available to you, such as free samples, paid samples. 

There are 66,760 0.5" filter suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of 0.5" filter respectively. 

.5" filter products are most popular in Western Europe, Southeast Asia, and North America. 

You can ensure product safety by selecting from certified suppliers, including 25,273 with ISO9001, 12,396 with Other, and 2,034 with ISO14001 certification.