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The reducer coupler is a reducer part for the exhaust fan, filters and pipes of different diameters.
When we make a bifurcation we have to reduce the passage so that it sucks the same amount of air from the two tubes, sometimes the mouth of the extractor does not correspond to the size of the filter or the tube of the same diameter and reductions are needed to connect them.
Avoids leaks in your ventilation system thanks to the reducer coupling, a very useful accessory for ventilation systems.
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