PVC 8" PENTAIR ECOLINE BRAND END PORT FOR R. O., REVERSE OSMOSIS. HOUSING MAX. OPERATING, PRESSURE: 3, Q3, CONSTANT CHEMICAL DOSING PUMP, FOR RO PLANT OPERATION ADJUSTMENT OF NUMBER OF, INJECTIONS: 0- 100 % FL, FILTER SAND AS PER IS: 8419, PART- I- 1977 FOR USE IN WATERTREATMENT, CONSIST OF, HARD, FREE OF ORGANIC, ACTIVATED CARBONS, GRANULAR AS PER IS: 2752: 1995, FOR USE INWATER, TREATMENT. FINE BLACK GRANULES, FR