The package contains the extension ring, a white lip seal, a grey clamping ring and a white support ring.
Please note:
a grey clamping ring is included in the package. The grey clamping ring is meant to be used with this extension ring type only. A white clamping ring is supplied with all other Vieser extension rings and floor drains.
The white lip seal and grey clamping ring are meant to be used with a low extension ring only, and they are not compatible with other Vieser products.
A low extension ring must always be the uppermost extension ring and it cannot be extended with another extension ring.

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Technical specifications
A low extension ring that raises the floor drain by 18mm. The package contains the extension ring, a white lip seal, a grey clamping ring and a white support ring. A low extension ring must always be the uppermost extension ring and it cannot be extended with another extension ring.