Now my question i'm setting up a small paint booth to paint now my compressor is a 21 gallon 115v 3.5 scfm@90psi 8.8scfm@40psi.What would be a good spray gun for this compressor

Now my question i'm setting up a small paint booth to paint now my compressor is a 21 gallon 115v 3.5 scfm@90psi 8.8scfm@40psi.What would be a good spray gun for this compressor

Check out the web site for Sata paint guns they will advise you well,
then you can find the guns in the E-bay, used and new for a good price,
as these gun are not cheap but worth every penny.
Indy