If you have been using the Remote System Explorer for some time, your workspace might contain too many filters to navigate easily. Or, you might just want to keep groups of filters separate if, for example, you need to represent two distinct server environments in the Remote System Explorer, regardless of how many filters you have. In either case, you can group filters into filter pools.
All filters live in filter pools, but these remain hidden unless you choose to manage them explicitly. If you do not manage them yourself the Remote System Explorer manages them for you and all of your filters appear together in all connections. When you create filter pools, however, any filter you create within that filter pool is only present in connections that reference that filter pool, and will not appear in any other connections. (See the related links for more information about filter pools.)
To illustrate the use of filter pools,