Purenex Replacement Filter Sediment Carbon Blocks FOR ALL RO FILTERS OR ANY 10'' HOUSING
High capacity, replace every 12 month 1st stage: high capacity, 5 micron sediment filter, to remove sediment, rust, sand,  2nd stage: high capacity carbon filter, carbon block, coconut shell activated carbon removes chlorine, taste & odor  * We have modified the filter from granular to carbon block for higher performance. 3rd stage: high capacity carbon filter, carbon block, coconut shell activated carbon further removing chlorine to ensure 100-Percent removal of chlorine.