I know some pumps have it built-in, but I haven't seen a compressor with it - either way is it necessary to have it or a nice one to have?
Humidity isn't the only concern or justification of some type of filter.
Almost all compressors also send oil down the HPA tube. I'd at least consider a cigarette type filter to catch that.
Will
i would think having a carbon fiber tank it wouldn't matter?
I am looking for a bag something like this red one on the picture....where did you got it?