Gutter debris is the main reason people consider installing gutter protection devices of their house. Gutter Filler’s ultimate rain handling capacity is rated at 10 times your normal rainfall. This extra capacity is essential for handling heavy water flow from the roof valleys. Gutter Filler prevents mosquitoes from breeding in your gutters. It’s designed to protect your home 24 hours a day, 7 days a week and to last 30 years in the harsh conditions of your gutters. Our gutter product comes with a 20-Year Manufacturer ‘NO CLOG’ Warranty. Gutter Filler will not dissolve, stretch, shrink, dent, crack or rot. Similar types of material are used in fuel systems by NASA, the US military and NASCAR.