ProTool Cartridge Empty 2.5in x 20in
Cartridge Empty 2.5in x 20in Blue...
Filter Cartridge Inert Empty 2.5in x 20in
Filter Cartridge for ECO Cart.
Replacement of additional cartridge for ECO Cart
Holds DI Resin
When loading with Fres Resin, store in an airtight bag or packaging as the resin will go stale if exposed to the air