Supply Installation And Commissioning Of Ro Plant Spares, 1480 Sitc Of Heavy Gauge Pvc Conduit Pipe Of 25 Mm Dia 2 Mm Thick Wiring For Lighting Or Power Circuit 4 Sqmm Modular Switch Mounting Polycarbonate Plate 6 Module Modular Switch Mounting Polycarbonate Plate 3 Module 6 Or 16A Universal Socket With Switch Cpvc Pipe Brass Non Returning Valve Brass Air Release Valve Automatic Water Level Controller Or Magnetic Level Switch Ball Valve Storage Tanks