YourPure Replaceable On Line Cartridge Define your inline cartridge | purifier Combine the required filter module to become the cartridge you need. 3 steps to make your purifier. Step 1: Select Cartridge style (In line / Quick change) Step 2: Select the right filter module       (What impurities are to be filtered? How long is the expected use) Step 3: Do you need accessories? I want to understand filter materials first. Cartridge Spec Place of Origin Taiwan Brand Name LifeTech Model Number YPC Filter Spec. YourPure cartridge filter Filter Material Option WHF-099 Hollow fiber membrane WHF-100 0.5~1um High density activated carbon block WHF-100N Normal 5um Activated carbon block ICC-1121 LTM-011+LTM-021 ICC-1122 LTM-011+LTM-022 ICC-1123 LTM-011+LTM-023 More tandem combinations... Material Origin Activated carbon block : Taiwan Ultrafiltration (hollow fiber membrane) : Taiwan Effect Defined by you Filter Life (Liters/Months) Filter Module Filter Module List Why High density activated carbon block Use the 0.5 to 1 um high density activated carbon block, relative to the general process. Can get the following advantages :   1. More filter holes   2. Better adsorption and filtration effect   3. Longer service life   4. Low pressure drop Why Ultrafiltration membrane Ultrafiltration membrane pore size only 0.1 micron, while the smallest bacteria is larger than 0.2 micron. The filter has a very high effectiveness in removing bacteria (for example, Campylobacter, Salmonella, Shigella, E. coli) and in removing protozoa (for example, Cryptosporidium, Giardia).   More information, please visit