30 / 80 30 toolboxes the figures refer to the picture on page 29 size no. gas flow ox - ac - ox l/h material thickness mm part no. 0 40 0.2 - 0.5 300388 1a 80 0.5 - 1.0 300390 2a 160 1.0 - 2.0 300392 e2a 230 1.5 - 3.0 300402 3a 315 2.0 - 4.0 300394 e3a 400 3.5 - 5.0 300368 4a