Until the talented and knowledgable folks get here,I'll give my $0.02.
Tilia,midrange.
It has the port and tube to vac seal jars,spice jars,bottles,etc.
It also has manual overide to seal it when you want.
For home use these Cajun inectors from hawgeyes.com do a good job.
Cajun injector. The plastic ones wear out pretty quick and I seem to always break the glass ones.
A member of this forum and a pellethead makes these below in Jaxville.
No Cents injectors For the whole hog/shoulder cook,scroll to the last item on the page,below.
Brine Pump with Hose