Harmsco POLY-PLEAT™ absolute rated filters substantially reduce cysts, and cryptosporidium. POLY-PLEAT™ cartridges meet or exceed the three-log (99.9%) removal requirements described in National Sanitation Foundation Standard 53 for cyst-sized particles. For this reason, POLY-PLEAT™ filter cartridges are ideal to control cryptosporidium, giardia cysts and other harmful microorganisms to help ensure cyst-free drinking water.
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