What's the difference between a mini regulator like this:
http://www.chicompany.net/index.php?main_page=product_info&cPath=20_313_326&products_id=2186
and a "regular" secondary regulator?
http://www.chicompany.net/index.php?main_page=product_info&cPath=20_313_326&products_id=2186
and a "regular" secondary regulator?