Elliptical Fin Tube|Elliptical Tube Tare da Fins Rectangular|Zafafan tsoma galvanized bututun fin ruwan kwai.
Wannan zanen bututun fin yana amfani da bututu mai siffa mai elliptical tare da ingantacciyar sifar foil na iska don rage juriyar kwararar iska.Waɗannan fins sun inganta halayen aiki idan aka kwatanta da nau'in bututu mai zagaye.
Juriya na lalata waɗannan fins zai yi girma sosai bayan an yi masa zafi tsoma galvanized.Waɗannan bututun fin suna da ɗanɗano sosai idan aka kwatanta da sauran nau'ikan bututun fin kuma ingancin canjin zafin su yana da mahimmanci.