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They have never been used. A bit dusty from being kept in storage. The Inspection Chambers Base Drainage Man Hole is a 110mm OSMA Drain 460mm deep that provides efficient groundwater drainage. Manufactured by OSMA, this product is designed for use in various building materials and supplies for business, office, and industrial settings. With its durable construction and reliable performance, this inspection chamber base is a key component in ensuring proper drainage and preventing water damage in construction projects.
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I’ve chamber 450 Osma
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Osma 450mm inspection chamber base, suits 110mm plastic underground drainage pipes. Collection only from Kingsclere RG20, evenings or weekend.
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This OSMA inspection chamber cover and frame measuring 450mm opening. Have been used to cover manholes for over a year but never set in to finished ground. Cash on collection so you can check happy with condition.
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Osma 450mm inspection chamber base, suits 110mm plastic underground drainage pipes. Collection only from Kingsclere RG20, evenings or weekend.
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Osma 450mm Universal Inspection Chamber A15 Square Cover & Frame 4D920. Collection from Chesham (weekends/evenings) or Beaconsfield (9-5 weekdays) Cash on collection Advertised elsewhere so reserve right to end auction early
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