It has an adjustable air regulator that makes it really easy to adjust. (geekwrapped.com)
There's also an easy to use air regulator so you can adjust it to your specifications and an easy to read pressure gauge so you know what you're working with at all time. (geekwrapped.com)
To put a specific point on it, EPA's top air regulator, Gina McCarthy, told utility regulators Nov. 13 that it would be «at least several years» before EPA addressed a top priority of environmentalists: carbon emission standards for existing coal - fired power plants. (dotearth.blogs.nytimes.com)