we use one for regulating another compressor its worked fine the problem is the seal if you dont check it prior to installing youre gonna have major problems.
full teardown after every 5 paintjobs. but i now have a airbrush for laquers,metallics, and acrylics so i clean them after every use and tear them down once a month
i used to have one but i dont take pictures of my real guns for ovious reasons, but my airsoft guns i can snap them all i want the silver one used to belong to the police dpt they used them in simulations