The Coltri is a great compressor. Smaller and lighter than Alkin. Once had one. The Alkin or Coltri seems like a lot for air gunners but the pressures we deal with require a good compressor to be free of issues. I would recommend going on dive forums to check out the compressors and issues. Way more information than on airgun forums. My Alkin is now two years old. Right at 50 hours. The fan belt was twisting about a year ago. Replaced it and all has been great. Good luck on your choice.
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