Keep your under sink PUN2FS water filtration system producing safer, better-tasting drinking water with the VUN2FSKIT-2PC filter replacements. This kit includes one universal 5 micron sediment filter and one universal 5 micron carbon block filter that are NSF certified to reduce particulates, such as sand, rust and dirt, as well as pollutants including lead and chlorine taste and odor. Replace the filters every six months, so every sip is always refreshing.