Ko te LB Miihini e tuku ana i te raina whakaputa putorino rahi PVC mai i te 315 ki te 1000mm. Ki nga tau o te torotoro me te rangahau o te raina tangohanga paipa, kei te mohio matou ki te raina whakaputa putorino rahi PVC. Ko te raina he hanganga ahurei, hoahoa hou, tahora whaitake, me te mahi whakahaere pono.