Diving oxygen lub tog raj kheej, 20mpa high-pressure aluminium alloy gas cylinder, 0.35L 0.5L 1L 2L sab nraum zoov dhia dej me me lub tog raj kheej.
Yog tias koj txaus siab rau peb cov khoom, koj tuaj yeem xaiv tawm koj cov ntaub ntawv ntawm no, thiab peb yuav tiv tauj koj sai sai.