Description：
Outside material:HDPE Inside material:Hard PU Approval:CCS/EC MED
Outer Diameter(外径）mm
Inner Diameter(内径）mm
Thickness(厚度）mm
Weight(重量）kg
Buoyancy(浮力）N
710
440
105
2.5
14.5
4.3
18.5
580
340
90
1.5
12.5
