Ved »rør og slanger« i pos. 3917 forstås hule varer, i form af halvfabrikata eller færdigvarer, af den art der almindeligvis anvendes til fremføring og fordeling af gas eller væsker (fx rillede vandslanger, perforerede rør).
For the purposes of heading 3917, the expression ‘tubes, pipes and hoses’ means hollow products, whether semi-manufactured or finished products, of a kind generally used for conveying, conducting or distributing gases or liquids (for example, ribbed garden hose, perforated tubes).