Vent Filters for S.D.S. Water Purification Systems (purchased before 12/30/03), For S.D.S Systems purchased before December 30, 2003, Each

Details:

For S.D.S Systems purchased before December 30, 2003Protects purified water from environmental contaminants while stored in Millipore™ S.D.S 200 and 350L reservoirs used with Milli-RO™ and Milli-RX™ Water Purification System