The Pediatric Nasogastric Feeding Tubes from Vesco Medical are transparent to allow for fluid content monitoring. The feeding tubes features centimeter graduated length markings and a single ENFit port for feeding, flushing, and administering medication. 
Features:
Indicated for long-term use up to 30 days
Premium medical-grade kink-resistant polyurethane tubing
 Two side ports improve flow and reduce likelihood of tube clogging
Radiopaque for x-ray confirmation of tube placement
Device is sterilized (EO for ethyl-o-xylene) and should not be re-sterilized
Not made with natural rubber latex, DEHP, Bisphenol A (BPA), or other phthalate plasticizers