http://www.amazon.in/dp/B00QEYWRNY/ref=gbdp_vlo_9333ec9c_B00QEYWRNY?_encoding=UTF8&smid=ARJ7NRG2PVBES
Tata Swach Nova Silver RO Wall Mounted 4-Litre Water Purifier Features:
Purifies upto 2000 TDS and silver action inside for longer cartridge life
Auto flush mechanism for membrane protection
Zero Contaminant Tank: Saves hassle of tank cleaning
Auto low pressure cut-off and inlet water switch off mechanism
Advanced indication panel provides intelligent information
Front panel opening for easy service and voltage spike guard
Stages: Sediment cartridge 10 micron, pre-carbon, sediment cartridge 5 micron, RO, post-carbon, UV