Professional Trench Cover - The heavy-duty drainage grate is widely used for sewers, toilets, garages, basements, and outdoor gardens. It adapts very well to your needs. Kitchen drain cover. Sewer supply - It has a strong load-bearing capacity, making it suitable for both pedestrian traffic and heavy objects. Restaurant sewer cover. Replaceable Drain Grate - The drainage grate is easy to use, easy to clean and maintain, easy to install, and easy to replace. Garage floor drain. Outdoor Trench Drain - The reasonable structure of the drainage grate allows rainwater to flow freely, thus reducing the risk of slippage and the formation of standing water. Trench supply. Outdoor Drain: The drainage grate can prevent waste and dirt from entering the drainage system. Outdoor trench grate.