Crafted for durability and performance, Dowsil 791 External Weatherproofing Silicone Sealant is your go-to for sealing out water and preventing weather ingress. The 310ml cartridge is generously sized for a range of applications, ensuring a robust seal in anthracite to complement any exterior finish. This sealant is a premium offering from the renowned Dowsil brand, part of the Sherwin Williams range, and is not included in a custom bundle. It's sold as a single unit, with the MPN 501540, and is ideal for both DIY enthusiasts and professional tradespeople seeking reliable, high-quality sealant for their projects.