FilPro: PureFree G


PureFree G is manufactured for water treatment processes and acts a filter for both pressure and gravity filtration applications. This product is commonly used in potable water systems, municipal water purification applications, in wastewater filtration, and other industrial applications. Silica gravel is made of hard, crystalline silica, which is resistant to degradation.

  • • composed of dense, durable, crystalline silica
  • • acts as a filter for water purification systems
  • • can function in both gravity or pressure filter systems


industries used:

water purification, wastewater treatment, municipal water, utilities


As an adsorbent, this product should not be left exposed to open air and should be stored in dry conditions with air-proof packaging.

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Hengye Inc.
11999 Katy Freeway, Suite 588, Houston, Texas 77079
Toll Free: +1 (844) 308-3271
Office: (832) 288-4288
Fax: (832) 288-4230