D/O DOSPEL ventilation ducts Ø125 1.0mb (round duct) D/O DOSPEL ventilation ducts Ø125 1.0mb (round duct) are high quality ventilation ducts made of white ABS plastic. They are ideal for supply and exhaust ventilation systems. The circular duct is available in three sizes: fi 100mm, 104mm, 125mm and 150mm. A choice of three lengths - 0.5m, 1m and 1.5m - allows it to be tailored to individual needs and requirements. D/O DOSPEL Ø125 1.0mb ventilation ducts (circular duct) are characterised by simple assembly. Duct elements are connected by the "press-fit" method, eliminating the need for additional sealing. The product is distinguished by its high quality, which is the result of DOSPEL's 50 years of experience in production. Each duct is meticulously manufactured, giving assurance of solidity and durability. In conclusion, the D/O DOSPEL Ø125 1.0mb ventilation ducts (round duct) are an ideal solution for all those who are looking for high quality ventilation ducts. Their easy installation and durability make them a reliable solution for supply and exhaust ventilation systems.