supply of co2 gas pre-heater ,230v, box /covered type having auto cut off valve , along with 2 m wire for mig/mag welding.co2 gas pre-heater ,230v, box /covered type having auto cut off valve , along with 2 m wire for mig/mag welding.,co2 gas pre-heater ,230v, box /covered type having auto cut off valve , along with 2 m wire for mig/mag welding. the sample to be approved by railway authority before bulk supply.make: esab/mis atu/minachi/l&t/weld guru only [ warranty period: 12 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] => limited