The nano molecular cluster (NMC) filter cartridge is the most effective medium known for water filtration. It effectively removes soluble heavy metals like lead, cadmium, and chromium in addition to removing 99 per cent of harmful chlorine. These cartridges are intended for use only with the ionic shower filter handheld. These cartridges help to effectively remove harmful pollutants. For ionic shower filter handheld. The product images have props used for illustrative purposes. This item is not eligible for returns, exchanges, or refunds except for manufacturing defects.