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Established in 1958, Harmsco Filtration Products has manufactured innovative and cost-effective solutions for liquid filtration challenges. With 3 divisions and a global footprint our Made In America, Family Owned Business provides energy savings, proven products, and enduring value. As a pioneer in the filtration industry, Harmsco holds numerous U.S. Patents for innovative filtration technologies while maintaining our focus and commitment on quality and value for the end user. Harmsco offers the World’s Largest variety of NSF 61 listed products to help you meet EPA and LT2 guidelines for cyst and turbidity reduction. Energy savings, ease of maintenance, high flow capability up to 1,200gpm per housing, and a small footprint make our Municipal Products exceptionally attractive for small to mid-sized communities. We currently have LT2 Compliance across the United States & Canada with further certifications pending. For more information please visit, or contact us: 1-800-327-3248, 561-848-9628,

Selected References: Prefiltration Suppliers

  • Italy , Italy, 5,520 m³/d RO
  • Azerbaijan, 3,600 m³/d RO
  • Czech Republic, 7,200 m³/d RO
  • Italy, 3,600 m³/d RO
  • Romania, 3,600 m³/d RO
  • Washington, United States of America, 2,722 m³/d

Selected References: Prefiltration & Drinking Water Suppliers

  • Nunavut Territories, Canada 2009, 2,174 m³/d
  • New York, United States of America, 2,866 m³/d
  • Colorado, United States of America, 1,642 m³/d
  • California, United States of America, 8,726 m³/d
  • British Columbia, Canada 2009, 2,174 m³/d RO
  • Texas, United States of America, 2,722 m³/d