The Fernco 12" x 12" Donut is a robust plumbing fitting designed to create a secure seal between different pipe sizes. Made from high-quality, flexible materials, this donut provides excellent resistance to environmental factors, ensuring long-lasting performance. Its 12" x 12" dimensions make it ideal for large-scale plumbing applications, including drainage and vent systems. The donut meets industry standards for quality and reliability, making it a trusted choice for both residential and commercial projects. Its easy installation process allows for quick and efficient repairs.