1.high quality 2.low cost 3.long life 4.high quality control Products and technologic parameters:Type: RLY300-60, RLY250-40, RLY235-35, RLY235-25, RLY200-16, RLY180-10 Water Volume (L): 60, 40, 35, 25, 16, 10Outside Diameter (mm): 309, 258, 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 ...