For one, it has two different density foams. The outer foam is of a larger, more open design for maximum airflow and the second, innermost foam is denser to trap even the smallest of particles. For two, it comes pre-oiled which is, to any rider who does his own maintenance, super convenient. Lastly it is very cool that this filter uses bio oil. Yeah, it is better for the environment but really, since we can clean our filters in the kitchen sink without worrying about messing up the pipes or being un-green, this ups the convenience factor even more.