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    Cone in concrete grey colour with water stop used for enlargement of the sleeve contact area at the formwork.
    Remains in concrete after placing of concrete.
    Available for different diameters of the sleeve.
    Watertight seal is only possible using our Opti-stoppers.

    Test report on request.

    Item Number for Tube Ø
    Dimension in mm
    PU in piece
    PU in piece
    301.2226 26 500 25.000
    301.2228 28 500 25.000
    301.2630 30 500 20.000
    301.3236 36 500 17.500

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