| 摘要 |
<p>A cistern (5) comprising a tank (10) connected to an outlet (40, 45) via an outlet valve (50, 55), the outlet valve comprising at least one elongate flap (140, 145). The tank may comprise at least two chambers (15, 20). The at least two chambers may be formed by at least one divider in the tank. Alternatively, the tank may be modular and the chamber may be separate, individually removable parts (250, 255).</p> |
