The LAS plastic smoke evacuation system consists of fixed pipes, fittings with 87° branches and accessories PPH, PPH/stainless steel — highly polished, white comaxite. The system is offered as a single layer in diameters from 60 mm to 315 mm or as concentric in diameters from 60/100 mm to 200/300 mm. It is especially designed for connecting multiple appliances to a common chimney in indoor or outdoor environments.