Tono:
1. Te Huringa Whakawhitinga:
Ko te membrane i whakamahia i roto i te hakihaki me noho hydrophobic me te porous, kia kore ai e mau te wai ki roto i te kohao me te flux he tiketike. I tua atu, me nui te kaha miihini, te pai o te pumau wera, te ātete matū me te waimahana wera.
2.. Te wehenga wai hinu
Ko te pahuka a tawhio noa mo te ngongo konumohe hau e hangaia ana i te taumaha polyethylene nui o te polyethylene (ptfe). Ko te kowhiringa tātari hara, te haumaru mahi, te whakapai ake i te taiao whakaputa me te rohe e tika ana, he waahi hangai wai, me te hanga matū, te kai me etahi atu whakaata wai.
Ko nga pahuka a tawhio noa e whakamahia ana mo te wai konumohe hau e whakamahia ana mo te wai parakore, te wai, te waipiro, te waikawa, te waikawa, te tae, te penei.