These Allflex syringes attach right to the bottle with the included draw off assemblies allowing you to give multiple injections with out refilling the syringe. Simply change the bottle when empty. Great for injectable dewormers and 5 ml dose vaccines especially on large herds.

Replacement barrel for Allflex 2-UMB Syringe.

20 mm white for 50 and 100 ml bottles.

30 mm blue fits most bottles >100 ml.

33 mm green for bottle with extra large tops.