Ryles Tube By Suru has below features:
For nasogastric introduction for nutrition and aspiration of intestinal secretion
Distal end is coned with radio-opaque material for accurate placement
Smooth, low friction surface facilitates easy intubation
Soft, frosted and kink resistant PVC tubing
Tube with radio-opaque line, marked at 50, 60 and 70 cms from the tip for accurate placement
Four lateral eyes
Manufactured from non toxic, non irritant medical grade PVC
Colour coded funnel end connector for easy identification of size
Sterile product for single use
 
Size - Color
FG6 - Light Green
FG8 - Blue
FG10 - Black
FG14 - Green
 
healthyantra.com Provides other surgical products as well, to aid the usage of ryles tube