Bought for a build but not used, all new and in original packaging, unopened. The Simply Silent LV100TS is a 4"/100 intermittent extract fan designed for those looking for something conventional, with a modern twist. The product has 2 speed settings, selectable at install and comes complete with a wall fitting kit. This fan is designed specifically for safe installation directly in or over the splash zone 1, offering complete peace of mind. The fan features a square grille-style fascia finished in cool white. LV100TS is a Timer Fan This means that the fan is activated by an external switch (for example a light circuit) and will overrun for a period (selectable between 30s and 30mins) once the external switch is turned off.