Doulton® Nitrate Reduction Cartridge for DUO systems

Our WRAS-approved replacement nitrate filter is designed to reduce nitrates in municipal water supplies, for use within a multi-filtration system like our DUO countertop system and our DUO & TRIO under-counter system. Pair our nitrate filter with our ceramic filter element to enjoy consistently clean, tasty filtered drinking water. Replacement nitrate filter for the reduction of nitrates For use within a multi-filtration system Not suitable for single chamber system Pair with our ceramic filter for clean, filtered drinking water