The KONVIO NEER Pre Filter for Water Purifier is a comprehensive external prefilter kit designed for use with all RO water purifiers. This kit includes two high-quality spun candles, which effectively filter out larger particles like dirt, dust, and sand from the water before it reaches the RO system. In addition, the kit contains 3/8 and 1/4 elbows and pipes, which provide the necessary fittings for a secure and efficient installation. The included Teflon tape ensures leak-free connections, making the installation process smooth and hassle-free. By removing impurities before they reach the RO system, this prefilter helps enhance the efficiency of the purifier, extend the life of the RO membrane, and improve the overall water quality. Durable and easy to install, this prefilter kit is an excellent addition to any RO water purification system, ensuring clean, safe drinking water.