The HANS™ Premium Water Appliance is the first major advancement in whole-house water technology in over 50 years The only whole-house water system that meets or exceeds standards set for bottled water. Significantly reduces these contaminants and many more: - Lead - Arsenic - Iron - Nitrates/ Nitrites - PFOA/ PFOS - Softens water without salt. - Easily attaches to most water main. - Space-saving design (18.5” x 22.5” x 49”). - Quiet operation. - Low maintenance. - 20-year element warranty.