1) Quality and safety are guaranteed through the use of inspection systems such as our intermediate inspection and performance tests. 2) The complete product can be filled with more than 75% ISO butane upon customer's request. 3) Cartridges are suitable for a wide variety of devices including portable gas ranges, camping stoves, range grills, camping lanterns and even portable gas heaters. Net weight : 220g / 227g / 230g / 250g / others Gas Composition : N-Butane, ISO-Butane, Propane Packing: Shrink film or Cardboard packing of 28 cans/box, 48 cans/box Loading QTY: Case1) 28cans/box : 66,360cans/2,370boxes for 40 HC CNTR Case2) 48cans/box : 64,320cans/1,340boxes for 40 HC CNTR