We require household water purifier. Expected look of the filter can be found in the image attached. Here are few specifications : - Double Purification by RO & UV with TDS controller - Computer Controlled Operation with Filter Change Alarm & UV Fail Alarm. - Spin-welded RO Membrane Housing to prevent tampering - Push - fit components for leak - proof performance - Fully automatic operation with auto-start and auto-off - ABS construction for corrosion free lifespan - Equally suitable for water from all sources such as bore-wells, overhead storage tanks, water tankers and even municipal taps Regards Rahul +91 9730077552 dongare.rahul@yahoo.com