450mm Man Hole Riser Envases para bocadillos y sandwiches Packaging take away. 450mm Black UPVC Manhole Riser Extend Larger Inspection Chambers Effortlessly Customize the depth of your underground drainage system with this robust 450mm Manhole Riser. Crafted from premium UPVC (unplasticized polyvinyl chloride), this black riser section enables you to raise the height of your 450mm inspection chamber, ensuring the cover aligns perfectly with the surrounding ground level for a seamless, professional installation. UPVC delivers superior corrosion resistance, chemical durability, and structural integrity in demanding underground environments, making it ideal for soil waste and drainage systems in residential, commercial, or landscaping projects. Lightweight for easy handling yet strong enough for long term use, it stacks securely with additional risers and provides a watertight seal when installed correctly. Key Features & Specifications: Material: High quality UPVC for outstanding longevity and resistance to ground movement Size: 450mm diameter (compatible with standard 450mm chamber bases and covers) Colour: Black Warranty: 1 year manufacturer warranty Quality Assurance: Manufactured under quality systems certified by BSI to ISO 9001: 2015 Essential for deeper installations or adjustments in underground soil waste systems. Complete your drainage project with confidence add this reliable riser to your cart today! PLEASE ALLOW 1 to 3 DAY FOR ORDER TO ARRIVE SUBJECT TO AVABILBILTY