ProOne activated carbon filter is a method of water filtering that uses a bed of activated carbon granule (which size 8X12) to remove contaminants and impurities, using chemical absorption. ProOne activated carbon filter each particle or granule of activated carbon provides a large surface area or pore structure, allowing contaminants the maximum possible exposure to the active sites within the filter media.
ProOne pre activated carbon filter by absorbing or elimination such impurities
1: - Chlorine
2 : - Sediment particle
3 : - Volatile organic compounds
4 : - Taste and odor   
And other gases organic chemical form the water, it should be change every after 12 month sediment filter using a step-by-step filtering per stone. This filter effectively eliminates various foreign bodies that come from this services water pipe such as bits of rust and also protect the RO membrane. Change every 1 year all brand RO water purifier suitable 1/4 (6mm) piping (tubeing) system inside, Easy with push fitting attachment for easily to replacement for absorbing, eliminating any remaining chlorine and other organic chemicals from the water.