Purple CARBON SEDIMENT PRE FILTER. Orange TASTE AND ODOR CARTRIDGE. The Purple Filter contains carbon to help with city water chlorine and heavy taste/odor water problem types. This filter set is 100% new from Kinetico. These filters come directly from Kinetico and are 100% guaranteed to be new and operational.For years, I personally worked for a Kinetico dealer and understand the frustration of their price point. I keep the price as low as possible and offer 24 hour support after the sale.