Monzi, Inc. (the manufactures Leaf Defier® Gutter Protection System), in accordance with high standards and tight quality controls. Leaf Defier® will not clog and will remain free flowing for 25 years. Performance: Monzi, Inc. warrants to you, the homeowner of the property at the time Leaf Defier® was installed, that when installed in the manner specified by Monzi, Inc., this product will keep gutters from becoming clogged and overflowing as a result of the interior of the gutter or downspouts filling up with debris such as leaves, twigs, pine needles, or seeds. Warranty is only activated when installed by a certified Monzi dealer and installer.