1.Durable Plastic Drain Grates: Made from sturdy ABS plastic, these grates are designed to fit seamlessly with pool overflow corners. Their robust structure enhances safety and grating performance, while the lightweight design makes them ideal for sewer maintenance. Upgrade your drainage system with these reliable and efficient drain covers. 2. Size: Our Drain Board is available in widths of 18/20/25/30 cm, each measuring 1 meter/39.4 inches long with 40 crossbars. 3.Enhance your outdoor spaces with our Large Drainage Grates. Designed for easy installation, these grates efficiently manage surface water in various settings such as Courtyards, Gardens, Pathways, Swimming Pools, and Landscaped Areas. Ensure effective drainage and protect your property from water damage while maintaining a clean aesthetic. 4.Replacement swimming pool grates: Especially suitable for level area waterproofing and moistureproofing, effective drainage, and prevent water accumulation, and can swimming pool grates