Description
【Long Service Life】This heavy duty metal drain grate is made of durable ductile cast iron which has long service life than plastic one. Anti aging to be used for years. Besides, It is normal for ductile iron to rust when placed outdoors. After oxidation, it will form a protective layer on the surface to protect the interior. It will not affect the load capacity..【Anti-rust Treatment】The surface of each cast iron drain grate has been re-treated with asphalt before delivery, making the surface more smooth and not easy to rust. However,there may be a little pungent smell at the beginning, which is normal and will not do harm to the health. Please feel free to buy..【Back Reinforcing Rib】The back of metal grate for drainage is reinforced with bars. And each bar is thickened and widened. This make sure the heavy duty and high strength of the outdoor drain grate..【Anti Thief】This trench drain cover and frame is bolted down with base. You can fix this outdoor drain grate with concrete. Both easy cleaning and anti thief..【Multiple Using Occasions】The channel drainage grates are application for drainage in various occasions,such as garage, yard, garden, farm, concrete catch basin, sewer, basement, ditch and so on .
