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SE Controls
- Lichfield, Staffs - ators Passive Ventilation Units Heat Ventilation Units Automatic Opening Facades SE Controls is a leading international specialist in the design and d

Dean Mould Ltd
- Sunderland, Tyne & Wear - h our Passive Ventilation Units are a cost effective and guaranteed way to control condensation dampness and black spot mould problems. A recent repor...o.uk. Passive Ventilation Units In some instances where cost is a concern and only individual rooms require to be treated we can recommend the Passyfi