320mm Underground Drainage Riser, Plastic Inspection Chamber Extension, Black

• DIMENSIONS: 320mm diameter riser extension for underground drainage inspection chambers, providing additional height adjustment for manhole systems
• COMPATIBILITY: Universal design fits standard inspection chamber bases and covers, creating a complete drainage access solution
• CONSTRUCTION: Durable black plastic construction ensures long-lasting performance and resistance to underground conditions
• INSTALLATION: Features integrated connection rings for secure fitting with other chamber components
• VERSATILITY: Stackable design allows for custom height adjustments to accommodate various ground levels and drainage depths

This 320mm riser is an essential component for underground drainage and manhole inspection chamber systems. Crafted from durable black plastic, it provides a reliable extension solution for accessing and maintaining underground drainage networks. The riser features a robust construction with multiple reinforcement rings for enhanced structural stability. Its modular design allows for seamless integration with existing inspection chamber sets, making it ideal for both new installations and system upgrades. The smooth interior walls facilitate efficient water flow while preventing debris accumulation. Perfect for residential, commercial, and industrial applications, this riser helps maintain proper access depth for drainage inspection and maintenance. Installation is straightforward with its compatible design, ensuring a secure fit with standard inspection chamber components. The weather-resistant material ensures long-lasting performance in underground conditions.