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The Osma 250mm Shallow Inspection Chamber with Square Cover and Adjustable Frame 4d961 is designed for efficient drainage access. This robust inspection chamber is ideal for both residential and commercial applications, ensuring easy maintenance and inspection of underground drainage systems. Its durable construction guarantees long-lasting performance, while the adjustable frame allows for versatile installation options. The 250mm diameter provides ample space for effective drainage management. This product is essential for maintaining optimal drainage flow and preventing blockages.