Outside diameter 13″

The Josam 21504 Poly Dome, with an outside diameter of 13 inches, is a vital component in commercial drainage systems. Designed for durability and long-lasting performance, this poly dome is constructed from high-quality materials that are resistant to corrosion, chemicals, and extreme temperatures. Its precision engineering ensures a secure and watertight seal, providing efficient drainage and preventing leaks or blockages.

The 21504 Poly Dome is a versatile and reliable solution for a wide range of applications, from industrial facilities to residential buildings. Its 13-inch diameter makes it suitable for use in larger drainage systems, where it can effectively manage heavy flows of water and debris. Contractors and building managers can trust in the Josam brand for their drainage needs, knowing that the 21504 Poly_Dome will deliver unparalleled performance and longevity in all conditions.