 LeafFilter trusted pros will clean out, realign, and seal your gutters, then install LeafFilter, the permanent solution to clogged gutters. You're going to want their help and their service, and now's the best time of year to do this. Right now, get 20% off your entire purchase, with an additional 10% off for seniors and veterans. Clogs can cause costly water damage to roofs, siding, foundations, and more. LeafFilter's patented technology is designed to keep out everything but water. No holes or gaps means no debris.