If I knew it would be this easy I would have bought one a long time ago. I am only using it to top off my Crown from 150 to 250 bar. It takes under 2 minutes to fill it and the head barley gets hot. I bet this thing will last a long time if you keep the oil changed. I went through a couple of tins of pellets in no time. Thanks guys for all the review and information. I think I paid 335 shipped and it was worth every penny. I think the next thing will be a guppy bottle just for hunting trips.