Solid brass feels heavy-duty. Not some cheap aluminum that'll crack. This thing will outlive the trailer.

No tools needed. Hand-tightened it, connected the air hose, and water was shooting out the faucets in seconds. Couldn't be simpler.

Used it on my boat too. Same garden hose thread fits the marine system perfectly. Blew out the fresh water lines before winter storage.

Saved me from a burst pipe last year. Forgot to winterize one section—this adapter made it easy to go back and clear it out before temps dropped below freezing.