you can make your own off of your home plumbing, it sounds like a lot once you get started, but really all your doing is reducing down your source to a 1/4 inch microtube to 360 barbed misting head
brass fittings work great to scale down to the size you need, however using teflon tape around the threads will insure a watertight fitting
here are 2 more places that sell misting kits in europe
http://www.pardalis.be/brumisation.htm (he also has a 'switch to english button' on his site but it seems you can't get that page in english, best bet would be to email him in english using the 'contact me' adress ([email protected]))