hi just done a extension and full re wire to the house had building inspector come round and say you need an extractor what goes outside and vents 60 litres
the customer only has a charcoal filter and that was only on the plans
so my question is do you need one or is charcoal 1 sufice
the customer only has a charcoal filter and that was only on the plans
so my question is do you need one or is charcoal 1 sufice