Garson Fieldswrote a review of Stan's NoTubes Injector on October 2, 2017
Familiarity: I've put it through the wringer
It's a useful tool, especially if you're dealing with a questionable tubeless setup. Seat your tire first, then add sealant, and pretty much eliminate the chance of making a pneumatically-powered mess. It's a staple of my travel tool kit.