... , brown, green, grey, red and brick red.Insulated ventilation pipe Ø125/IS/500 mm + Cowl for Ø110/IS/500 mm and ... Ø125/IS/500 mm insulated ventilation pipeThe height of ventilation pipe ... with cowl 730mm. For Ø125 mm chimney pipe.Product picture Company introductionBHB company is a ...