K-Guard is the Premier Leaf-Free Gutter System on the market today. K-Guard is GUARANTEED IN WRITING TO NEVER CLOG! K-Guard Gutter uses "Reverse-Curve" technology to collect water and deflect debris. Reverse Curve is THE ONLY PROVEN TECHNOLOGY for leaf-free gutter systems and it has been in use since 1991. K-Guard is a entire Gutter SYSTEM engineered to collect all rainwater from your roof...