Replace Filters Case 13 : Step1, 2, 3 Undersink Reverse Osmosis System Today prepared to replace filters for undersink ro system. Step 1, LWC 03 micron fiber filter, Step 2, Olsmopure GAC carbon filter and Step 3, Olsmopure Cto filter. This is the old filters. Changed done. Installation Case 17 : Plan20 Rental Ecotech B101 Table Top Hot Warm Water Dispenser Installation Case 16 : Plan40 Rental Yamada IL688-11F Floor Standing Hot Warm Cold Water Dispenser