Combo Special: High Performance Filter & Reusable Cleaning Cartridge- HG Type (Please see product images to verify the filter type) by Sanastec For New HG (Original Type) Only - (please see the product images to verify) Highest grade coconut shell carbon block removes chlorine, taste and odor Provides clean, great-tasting water Reusable Cleaning Cartridge holds 3 times more of the cleaning granule than E-Cleaner to get better cleaning result. Use only Crystalline Cleaning Granule (AF-CCG) to Refill on the use of Reusable Cleaning Cartridge.