Mmiri mmiri oxygen cylinder, 20mpa elu-nrụgide aluminum alloy gas cylinder,0.35L 0.5L 1L 2L n'èzí ndakpu mmiri obere gas cylinder.
Ọ bụrụ na ị nwere mmasị na ngwaahịa anyị, ị nwere ike ịhọrọ ịhapụ ozi gị ebe a, anyị ga-akpọtụrụ gị n'oge na-adịghị anya.