<https://apexwaterfilters.com/blogs/product/apex-rf-2030-replacement-cartridge-for-undercounter-ro-systemspack-of-3/#product>
<http://schema.org/description>
"1- 5 Micron Sediment Filters\r\n \t2 – 5 Micron CTO Carbon Filters\r\n \tCompatible with all residential reverse osmosis systems and under counter system MR-2030\r\n \tMaterial and components complies with NSF/ANSI Standard\r\n \tAbsorbs heavy chlorine byproducts such as chloramines, THM, and TCE. The double carbon briquettes filter out organic matter from water without release of carbon fines.\r\n\r\n&amp;nbsp;"
<https://apexwaterfilters.com/blogs/product/apex-rf-2030-replacement-cartridge-for-undercounter-ro-systemspack-of-3/>