Ko tenei hua he katote katote katote muka-mata, ka taea te whakamahi mo te miro ma te mahi tuhi.Ko te katote parahi he kaha te kaha o te whakamaoritanga adsorption, ka taea te tango i te haukinia, te hauwai sulfide, te VOC me etahi atu, i te wa ano, he pai te patu patu ki te microorganism, he mea tino pai ki te raranga tokena, hu ararewa, kakahu, aha atu.