The roller filter is a filter that turns on your tank requirements so that you do not have to keep changing your filter sock or socks every time they are dirty. This makes for a healthier tank as to were if the sock is dirty and the water level in the sock is higher, the chances of the bad nutrients in the sock are going back into your tank. The roller filter turns at a certain time [ that you set with a timer] to roll the paper to a fresh clean section.
Definition of:Web interface (1) The interaction between a user and software running on a Web server. The user interface is the Web browser and the Web page it downloaded and rendered. See Web application and Web server.efinition of:Web interface (1) The interaction between a user and software running on a Web server. The user interface is the Web browser and the Web page it downloaded and rendered. See Web application and Web server.
Abbreviated UI, the junction between a user and a computer program. An interface is a set of commands or menus through which a user communicates with a program. A command-driven interface is one in which you enter commands. A menu-driven interface is one in which you select command choices from various menus displayed on the screen. The user interface is one of the most important parts of any program because it determines how easily you can make the program do what you want. A powerful program with a poorly designed user interface has little value.