The Marley 110mm Chamber Riser 400mm is a high-quality component essential for constructing a reliable underground drainage system. Manufactured by Marley, an industry-leading brand well known for their long-lasting plumbing solutions, this riser is designed to extend the depth of inspection chambers. The product is crafted from durable PVCu material, ensuring resistance against most forms of corrosion and guaranteeing long service life. With its 400mm height and 110mm diameter, it provides sufficient volume for efficient water flow. Easy to install and compliant with relevant UK regulations, it provides a safe and reliable solution for your drainage needs.