* Part no: DB-40, Nuclear grade DI resin refill bag for Models: DI-210, RD-322
* Highest grade DI resin available in the market
* Used in Laboratory, food processing, Aquarium, medical, semiconductor, and hydroponics industries.
* Removes all remaining dissolved solids after reverse osmosis process
* Refills one cartridge in RD322 or both cartridges in DI210 system