WATER STORE REVRERSE OSOMOSIS WATER PURIFICATION SYSTEM MODEL AP4500SM. 5 YEARS OLD, IN GREAT CONDITION, THIS PURIFICATION SYSTEM HAS A FILTER MADE OF A COCONUT SHELL WHICH IS UNIQUE AND KNOWN FOR IT'S NATURAL SWEET TASTE, THIS PURIFICATION SYSTEM ALSO INCLUDES AN OXYGEN PUMP WHICH IS USED TO PRESERVE THE FILTERED WATER. THE SYSTEM INCLUDES TWO 300 GALLON WATER TANKS, WE WILL ALSO INCLUDE AN 8 FAUSET STAINLESS STEEL FILLING STATION. ALL FILTERS HAVE BEEN CHANGED YEARLY, AND ALL PARTS HAVE BEEN MAINTAINED. THIS SYSTEM IS CURRENTLY BEING USED AT A WATER STORE. I HAVE EVERYTHING YOU NEED TO OPEN YOUR OWN WATER STORE!!! FOR MORE DETAILS