Amerimax Gutter Guard 7 " W X 4 ' L Pvc White Water flows around nose of solid gutter cover and into gutter through slotted channel Helps keep leaves, pine needles, and other debris out of the gutter Slides under shingles and hooks to the front edge of the gutter Flex design accommodates many different pitched roofs 4' sections install in 4", 5", and 6" metal gutters.