Service Description : Al Marwah Water Tanks are manufactured according to European Standard... Al Marwah Water Tanks are manufactured according to European Standards, only high quality raw materials are used in the manufacturing process. The Tanks are molded in Three layers, Four layers and Five layers using Food grade color polyethylene layer. Easy to Install. Do not rust. Prevent growth of Bacteria. Easy to clean. Lighter in weight. Black inside and White inside models. Inlet, Outlet and Drain connectors.