High Capacity DI Kit, For Use With Mfr. No. HY-122B-DI-HC, Application Environmental Chambers, sterilizers, ultrasonic cleaners, chiller loops This Aries Filterworks replacement high-purity deionization cartridge kit is designed for use with the Hydra Deionizer, No. 44C706, available separately. The cartridge kit consists of 10″ granular activated carbon (GAC) cartridge and 2 high-capacity deionization cartridges with 4-1/2″-dia. housings.