e-tender for rent purchase of accessories and refilling of medical gas cylinders , refilling of medical oxygen in a type cylinders , refilling of medical oxygen in b type cylinders , refilling of medical oxygen in d type cylinders , refilling of medical nitrous oxide gas in a type cylinders , refilling of medical nitrous oxide gas in b type cylinders , refilling of medical nitrous oxide gas in d type cylinders , refilling of compressed medical air gas in a type cylinders , refilling of compressed medical air gas in b type cylinders , refilling of compressed medical air gas in d type cylinders , refilling of carbon dioxide gas in a type cylinders , refilling of carbon dioxide gas in b type cylinders , refilling of carbon dioxide gas in d type cylinders , refilling of liquid oxygen , rent of a type cylinder of 05 ltrs . w . c . for medical oxygen / nitrous oxide / carbon dioxide per cyl per day , rent of b type cylinder of 10 . 2 ltrs . w . c . for medical oxygen / nitrous oxide / carbon dioxide per cyl per day , rent of d type cylinder of 46 . 7 ltrs . w . c . for medical oxygen / nitrous oxide / carbon dioxide per cyl per day , purchase of a type cylinder of 05 ltrs . w . c . for medical oxygen / nitrous oxide / carbon dioxide per cylinder . , purchase of b type cylinder of 10 . 2 ltrs . w . c . for medical oxygen / nitrous oxide / carbon dioxide per cylinder . , purchase of d type cylinder of 46 . 7 ltrs . w . c . for medical oxygen / nitrous oxide / carbon dioxide per cylinder . , mox regulator with flowmeter and humidifier bottle , flow meter only , humififier bottle only , spannar for opening of cylinder , trolley for b type cylinder , trolley for d type cylinder , double stage double gaug regulator