supply of non consumables supply of non consumables , dercription of the items , brand new hydrogen gas empty cylinder with 47 liter water capacity filled with hydrogen gas of purity greater than or equal to 99% (as per nit) , brand new argon gas empty cylinder with 47 liter water capacity filled with argongas ofpurity greater than or equal to 99% (as per nit) , double stage brass regulator for hydrogen gas cylinder of 47 liter water capacity (for the item in serial no.1) (as per nit) , double stage brass regulator for argon gas cylinder of 47 liter water capacity (for the item in serial no.2) (as per nit) , connecting gas tube 10 meter length (for the items in serial no. 1 & 2)(as per nit)