... patented perforations for maximum drainage
• A ally against leaves, pine needles, debris, bird nests...
• Prevents larval breeding sites and the proliferation of tiger mosquitoes
• Pre-filters water and ensures perfect flow even during heavy rain
• Thanks to its smooth surface, debris is swept away in a gust of wind
• Protects against hail, frost, and withstands the weight of snow
• Made from aluminum: 25-year warranty!