How to assemble the Twin Injection Head on the Hand Unit?
It's easier to assemble the Twin Injection head by pressing the trigger.
Also when disconnecting the head it will be less complicated for removal.
Pay attention to not getting injected by the needles ❗
How to work with the Twin Injection Head?
When injecting with the twin injection head you need to notice to inject vertically to the chicken for the vaccine to deposit properly from both of the needles.
How to take out the Hand Unit from the Holster