The Premiere Sales’ SS210-TWH tankless water heater filter provides the exclusive combination of a scale inhibitor cartridge and stainless steel housing. It protects the heat exchanger in tankless water heaters and helps avoid expensive repairs or replacements. The scale inhibitor filter prevents scale from forming and loosens existing scale deposits. This system is made from 316L stainless steel and has a 10-year warranty. Premiere Sales. www.premieresales.com