Iyo 4L epurasitiki HDPE bhodhoro rekugezesa rine mubato ndiyo mhinduro yakakwana yekuchengetedza uye kutakura zvigadzirwa zvako zvekugezesa mvura. Yakagadzirwa kubva ku-high-density polyethylene (HDPE), mabhodhoro aya akagadzirirwa kupa chigadziko chakasimba uye chakasimba chinogona kumira nyore nyore kuoma kwekutengeserana uye kushandiswa kwemhuri.