Loading... Stomach Tubes Silicone PVC stomach tube. Each tube comes with blue attachment for connecting to funnels Choose Size Choose an optionPortex Stomach Tube Foal (9.5mm x 2.1m)Portex Stomach Tube Small (13mm x 2.7m)Portex Stomach Tube Medium (16mm x 2.7m)Portex Stomach Tube Large (19mm x 3m)Clear Stomach Tubes quantity Add to cart