Plastic pool drain overflow grille Material and design: Made of durable plastic with a simple and stylish shape. Provides stable loadbearing and a clean fit to the pool overflow angle. A reliable choice for many years. Drainage and safety: Acts as a plastic cover for the drainage ditch around the pool, ensuring effective water drainage while protecting pedestrians and objects from falling in. Layout flexibility: Can be arranged in curves or straight lines around the swimming pool, allowing you to design the drainage cover to suit the pool shape. Interlocking and extendable: Features a 3hole plugin connection that interlocks and can be spliced to any length. Connect grates together to increase total length for pools of varying shapes and sizes. Size and texture: Individual drainage boards are available in widths of 15, 18, 20, or 30 cm, with each piece measuring 100 cm in length. The plastic grille surface has dense particles forming a concave/convex texture to increase friction and improve walk safety. Use scenarios: Residential backyard pools needing reliable edge drainage and safety. Public or hotel pool areas that require curved or straight drainage layouts to match irregular pool shapes. Commercial spa or hot tub surrounds where extended drainage coverage is needed without compromising safety.