Tank and tank compressor

I’m looking into getting large tanks ,and compressor to fill them. What is the best compressor for the job. With filtration system, on it. Was going to buy another gun. But think I would be better off investing in this. Could could in joy what I have a little more. I have jts dc/110 now. On it fourth year of use with no work done to it. I’m on borrowed time with it. Waiting on small cheap one I ordered to come as a back up. Thanks for info!
 
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