Hongtek is a global well-known manufacturer of activated carbon cartridges from China. We supply high quality extruded carbon block cartridges, sintered carbon block filters, big blue carbon cartridges, carbon impregnated cellulose filters in favorable prices and good service. Activated carbon cartridge filters are good absorbency, no release of carbon fines and wide application, highly effective in removing odour, fine sediment, bad taste, heavy metal, chlorine spores in water filtration processing. Activated carbon filters enhanced dirt holding capacity, low pressure drop and high flow rate, provide better solutions for a wide range of residential, commercial and industrial water processing.