supply and installation reverse osmosis filter with atm m / c purification plant of discharge capacity 500 lph / hr , r . o . filter with uv purification with all accessories & mounting with fitting at site & successful trial ( 500lph pure water discharge ) as per technical specification of annexure attached the r . o . filter unit should consist following major items a ) cold water jar ( 18ltr capacity cool plastic jar for pure water ) 50-nos b ) lldpe rotational modulded polythene cylindrical vertical water storage tank ( double layer ) with isi marked of is:12701:1996 latest revision ( 2000 ltr for raw water - 1 nos c ) ss304 ( with 1 . 6mm thicknes ) 1000 lit for pure water 1 no ) total 2 nos . d ) card system ( swap card system with 300 card including gps / gprs system ) - 1unit e ) water chiller of capacity 2 tone emrison compreser , gst