The OSI 1797609 Gutter Sealant is a synthetic rubber sealant designed for outdoor use in gutters and seams. This product, manufactured by Henkel, comes in a 5 oz tube and is white in color. It is a high-quality solution for sealing and protecting gutters from water damage and corrosion, ensuring a durable and watertight seal. Perfect for home improvement projects involving heating, cooling, and air systems, this gutter sealant is a reliable choice for maintaining the integrity of your outdoor spaces.