Bought one about 2 years ago, changed plans so it sat in the cupboard unused. The system I used instead failed, so I got the MM Adventurer out, modified the electrical connection to suit what I am using it for. Two weeks of use and the cylinder is loose and leaking air. Ok everything has a bad one occasionally, problem is I’ve messaged the company to ask if the warranty is ok given the mod I did is unrealised to the failure, through the contact us tab on the website, no response, 2 emails to the address listed on their website, no response there either. Not good enough!