The 5 stages water filter from Aqua Trex  is manufactured in Taiwan and assembled in Egypt from high quality materials free of lead and cadmium‎.‎ It is the best solution to drink a safe and pure water without dust‎,‎ rust ‎,‎sand‎,‎ insects‎,‎ chlorine and gases‎,‎ this filter also adjusts the water PH ‎.‎5 stages of filtration as following ‎:‎Sediment‎:‎ Primary cartridge composed of polypropylene fibers at 5 microns precision to prevent impurities‎,‎ sand‎,‎ insects‎,‎ algae and rust‎.‎GAC‎:‎ Contains granular activated carbon which adsorbs gases that cause bad odor in water‎,‎ chlorine and organic substances‎.‎CTO ‎:‎ Composed of carbon block to adsorb chlorine derivatives and organic substances‎,‎ encapsulated in unwoven fabric at 5 microns precision to ensure the absence of impurities‎.‎Post Carbon‎:‎ Contains active carbon from coconut shell to improve water‎'‎s taste and adsorb gases and odors‎.‎PH‎:‎ Adjust the PH to remove the bitterness of the water phase and a useful addition salts for water such as calcium‎,‎ magnesium and potassium‎.‎