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Reducer for connecting two ventilation ducts with different diameters.
|Ø D1||Ø D2||Ø D3||Ø D4||a|
|Ø100mm to 80mm||103||100||76||80||60|
|Ø125mm to Ø100mm||129||125||96||100||60|
|Ø150mm to Ø125mm||154||150||121||125||60|
|Ø200mm to Ø150mm||204||200||146||150||71|