600mm*6m Culvert Balloon
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Culvert balloon is a kind of cylinder bag that can expand, shrink, used to form concrete component of cavity. It is easy to be used, convenient and highly durable.
Available Diameters: 300mm, 400mm, 600mm, 900mm, 1200mm
Length: 6M, 9M, 12M, 14M
Contact for other sizes pricing
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