Katadyn Pur / Recovery EngineeringWatermaker Survivor 35 Desalinator MFG Date 2004 MFG Date 2004 THIS UNIT IS HAS NEVER BEEN USED, BUT HAS BEEN IN STORAGE FOR A FEW YEARS WITHOUT ITS YEARLY BIOCIDE TREATMENT. ACCORDING TO KATADYN, IT WILL NEED A NEW MEMBRANE. SOME HOSES MAY HAVE SOME DISCOLORATION AS WELL AS BIOCIDE CRYSTALLIZATION BUT IS EXPECTED FROM STORING OVER THE YEARS. HOSES MAY NEED REPLACED. WE DO CARRY HOSE REPLACEMENT KITS WHICH YOU CAN FIND IN OUR STORE. DESALINATOR TECHNICAL MANUAL A NEW MEMBRANE CAN BE PURCHASED FROM US OR KATADYNE. COST WILL BE NEAR $350.00. THEY ARE EASY TO INSTALL. THIS IS A HAND-POWERED PUMP DESALINATOR WHICH USES REVERSE OSMOSIS TO REMOVE SALT FROM WATER. A MUST HAVE FOR ANYONE WITH A BOAT. COMES WITH 1 LAMINATED INSTRUCTION CARD AND BLACK CARRY BAG SHOWN IN PICTURE. MAKES APPROXIMATELY 1.2 GALLONS OF DRINKABLE WATER PER HOUR. WEIGHS ONLY 7 POUNDS! TREAT WITH BIOCIDE FOR PRESERVATION ,THE INSTRUCTION WILL SHOW YOU HOW TO INSTALL AND CLEAN THE BIOCIDE OUT BIOCIDE IS USED TO STOP BACTERIAL GROWTH AND SHOULD BE REPLACED EACH YEAR MANUFACTURERS SUGGEST RETAIL PRICE IS $2200.00 A MUST HAVE FOR SEA GOING BOATS MONEY BACK GUARANTEE!!!!!!!!!