Pressed Ventilation Reducers

Pressed Ventilation Reducers, Pressed Ventilation Reducer – 125mm – 100mm (5" – 4"), Pressed Ventilation Reducer – 150mm – 100mm (6"- 4"), Pressed Ventilation Reducer – 150mm – 125mm (6" – 5"), Pressed Ventilation Reducer – 200mm – 125mm (8" – 5"), Pressed Ventilation Reducer – 200mm – 150mm (8" – 6"), Pressed Ventilation Reducer – 250mm – 150mm (10" – 6"), Pressed Ventilation Reducer – 250mm – 200mm (10" – 8"), Pressed Ventilation Reducer – 315mm – 200mm (12" – 8"), Pressed Ventilation Reducer – 315mm – 250mm (12" – 10")