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Shell installation kit comprising two heat-insulated wall sleeves with integrated condensate drain channels (diameter: 125 mm, length: 500 mm) and a drilling template with centring for decentralised ventilation unit with Duo A heat recovery
Shell installation kit comprising an installation box (width x height x depth: 847 x 415 x 93 mm) with integrated drilling template for core drill holes, two heat-insulated wall sleeves with integrated condensate drain channels (diameter: 125 mm, length: 500 mm) for decentralised ventilation unit with Duo Z heat recovery
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