ʻO ka pā pipi he ʻano pā pipi kila tubular no ka hoʻomaʻemaʻe holoholona.Hana ʻia ia mai nā paipu oval a me ka huinahā.E pili ana i ka hoʻomaʻamaʻa ʻana i ka ʻili, ua hoʻopaʻa ʻia i ka galvanized a laila uhi ʻia ka PVC.Hana maikaʻi kēia ʻenehana hoʻopili kūikawā i ka anti-rust.