Gutter overflows can quickly cause damage to landscaping, ruin basements and destroy the foundation of a home or structure. Improperly cared for gutters can also lead to other serious and possibly more unnoticeable problems, including, but not limited to, mold, mildew and rot. Needle Guard™ is specifically designed with micro-perforations that allow rainwater to enter the gutter and flow smoothly while keeping pine needles from clogging the system. Needle Guard™ has passed rigorous independent testing and is certified to endure 110 mph winds (category 2 hurricane) with no lift or movement. It is made with high-quality heavy gauge aluminum and can withstand 17 inches of rainfall per hour and heavy snow and ice. It will perform as promised even in the harshest weather conditions, keeping you safely off your roof!