💧 Sip Smart, Live Pure! Crafted from compressed diatomaceous earth, promoting sustainability with every sip. Experience crystal-clear hydration with our advanced ceramic pre-filter. Keep your filter in top shape with a simple abrasive sponge clean. Say goodbye to impurities—our filter effectively removes rust and sediments. Enjoy a full year of reliable filtration without the hassle of frequent replacements. 0.3 micron pore size 1-year filter life easy to clean The Santevia Water Systems Ceramic Pre-Filter (S132) is designed to provide clean, filtered water for up to one year. With a pore size of just 0.3 microns, it effectively removes rust and sediments, ensuring your hydration is free from impurities. Made from compressed and fired diatomaceous earth, this eco-friendly filter is easy to maintain with a simple cleaning process.