GutterStuff® GS100018 K-Style Fully Coated Foam Gutter Filter, 5" x 48"GutterStuff is the easiest, most effective and most affordable self installed gutter guard product available. It can be easily installed in just minutes to provide long lasting gutter protection and virtually eliminate gutter cleaning requirements. Seals out leaves and allows large volumes of water to flow through quickly. No other gutter cover, screen or guard system works as effectively or as economically to keep debris from entering your roof