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Wöhler
Sweep Instruments
Overview
The small hole star is available with different material. They have a hole of 10 mm diameter. For powered boiler cleaning brush use only.
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How to Clean Air Ducts With Brushes
Many homes are equipped with ventilation systems. Typical residential ventilation systems are often neglected. Polluted air ducts pose a threat to the health of the inhabitants of the house and also cause higher running costs, so it is recommended to clean them (or have them cleaned) periodically.
