The connector I is part of the Kärcher Rain System. It connects two Kärcher Rain System hoses or soaker hoses together and allows for personalized adjustments. It is ideal for connecting the soaker hose to the end of the Kärcher Rain System hose or for connecting two Kärcher Rain System hoses together. The hose is easy to install and requires no tools. The hose simply connects to connector I and is secured with the fitting.