1.high quality 2.low cost 3.long life 4.high quality control Products and technologic parameters:Type: ... 243, 243, 208, 188Wall Thickness (mm): 4.5, 4.0, 4.0, 4.0, 4.0, 4.0Filling Weight of Acetone (kg): 20.5, ... 13.6, 11.9, 8.5, 5.47, ... 3.42Filling Weight of Acetylene (kg): 10.2, 6.8, 5.9, 4.2, 2.88, 1.8Total Height (mm): 1100, 1045, ...