Minimize concerns of biological contamination, while improving the taste, smell and clarity of your water supplyPatented Dual-Zone nylon membrane bacteria barrierWV-B3 (at 3.5+ gpm) and WV-B2 (at 2.5+ gpm) connect to main line for drinking, cooking and bath waterWV-B2 may also be installed as an undersink filter for all the water at your kitchen sinkReduces up to:99.99% of Bacteria1 - 99.99% of Algae3 - 99.99% of Cysts2 - 99.99% of Mold Spores3Reduces greater than 95% of chlorineReduces sediment, dirt, rust, sand and silt to 0.2 micron