supply of hose rubber for welding and cutting red acetylene/lpg/fuel gas nominal bore 8mmx15 mtrs , hose rubber for welding and cutting red acetylene/lpg/fuel gas nominal bore 8mmx15 mtrs length with reinforcement of natural or synthetic fibres designed for a working pressure upto 1.25 mpa burst pressure to 5.0 mpa min to is:447/1988 amendment n o.1 and the hose shall be indelibly marked with manufacturers trade mark hose denomina tion and month&year of manufacture spec.:is 447/1988 amendment no.1 [ warranty period: 3 0 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]