Installation Case 34 : NESCA Undersink 5 Stages Reverse Osmosis System Today prepared to install NESCA Undersink 5 Stages Reverse Osmosis System. Copper inlet water joint valve connect with PVC piping. Drilling some holes for water drainage & ro system. Power supply to enable booster pump. Faucet ro water outlet. Pressure water storage tank. Undersink ro system completing install. Replace Filters Case 26 : Korea Brand Magic WPU-8230 Hot Cold Water Dispenser Installation Case 33 : Stainless Steel Ceramic Candle Water Purifier System