In-line Scale Eliminator with brass fittings. For outdoor use only. Do not install indoors, not for potable water. Scale Eliminator attaches to a 1/4 In. copper or poly tube water line using 1/4 In. cc brass fittings. Controls scale buildup and corrosion in coolers. Special formula holds minerals in suspension by raising the solubility level of the water. Reduces mineral buildup on pads and must be used with a bleed off kit or PowerClean purge pump to flush suspended minerals. Lasts up to 3 months and is easy to install. This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. -