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The Osma 450mm Universal Inspection Chamber Shaft 4D975 is designed for efficient access to underground drainage systems. This robust inspection chamber allows for easy maintenance and inspection of sewer lines. Constructed from high-quality materials, it ensures durability and longevity. The 4D975 model features a versatile design suitable for various applications, making it an essential component for any drainage project. Its 450mm diameter provides ample space for inspection, while the universal fit allows compatibility with multiple systems. Enhance your drainage solutions with the reliable Osma 450mm Universal Inspection Chamber Shaft.