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Made of aluminium metal with tube & stopcock. Mounted on painted heavy tripod base.Supplied with rubber seal. Made of aluminium metal, with tube for connection to pump and stopcock for air regulation on central pillar, supplied with a rubber seal which facilitates sealing in bell jar experiments. Mounted on painted heavy tripod base. Diameter 200 mm
Please note, this item is "Build to Order" and will take up to 60 days to ship after placing your order.