The gas Yield of different sizes are as follows: 0-2mm:220L/KG MIN 2-4mm:240/KG MIN 4-7mm:260L/KG MIN 7-15mm:285L/KG MIN 15-25mm:285L/KG MIN 25-50mm:295L/KG-305L/KG MIN 50-80mm:295L/KG-305L/KG MIN 80-120mm:295L/KG-305L/KG MIN