Easy to Use: The gutter valley splash guards is easy to use, simply line up the rain gutter component according to your needs : The roof gutter diverter is install, it in a row or corner of the gutter or roof as needed The roof gutter diverter is designed to block the rain water from flowing back into the gutters, keep the rainwater in the gutters and avoiding water overflowing Effectively keep the rainwater in the gutters and avoid water overflowing Widely used for gutters corners, bringing convenience Make of aluminum, strong and resistant for long term use, Manufacturer: YanFengPro