This unit features a NANO TECHNOLOGY-based microbial filter, ideal for use in schools, colleges, hotels, and other institutions. It is not intended for TDS reduction and is suitable where the raw water TDS is below 500 PPM. The digital display provides clear Power ON and Tank Full indications, while the very strong, completely screwless cabinet ensures durability and a sleek appearance.Strong wall mounting-Elegant look-Horizontal filtration system-Cockroach and ants can not enter in tank