Cool things with wheels since 2006
Probably a monitor nozzle with a small tank. Could be filled with AFFF (foam)
when sending a link, if you actually want someone to be able to use it, you can't copy the link in the google search results... example of what doesn't work? see the link you sent. Try and use it...for the intended result, try https://www.slideshare.net/acorneng/prfp-monitor-nozzle-pp
Understood, keep up the good work. SWIFT SUCKS!!