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                                        | * Size: a)- 6Fr, tube diameter 2mm, length 450mm pediatric
 b)- 8Fr, tube diameter 2.6mm, length 450mm
pediatric
 c)- 10Fr, tube diameter 3.3mm, length 600mm
adult
 d)- 12Fr, tube diameter 4mm, length 600mm
adult
 e)- 14Fr, tube diameter 4.7mm, length 600mm
adult
 f)- 16Fr, tube diameter 5.3mm, length 600mm
adult
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