The IQ Series Water Conditioner features Ionics HYgene® Bacteriostatic Filter Media, a NASA technology. The IQ series is the only whole house EPA registered stainless steel Bacteriostatic water conditioner on the market. Ionics exclusive high capacity resin and EPA registered HYgene® carbon inhibits bacteria growth within the system, and provides conditioned fresh water throughout your entire household! Includes a superior Manufacturer's Lifetime Warranty. For more information, please contact us.