VERSATILE - Multistage round duct reduction (to trimming) is made of high-quality ABS. UNIVERSAL - Our universal multi-stage duct reducer may be trimmed to the required sizes corresponding to the ventilation ducts Ø100 mm, Ø110 mm, Ø120 mm, Ø125 mm and Ø150 mm. Simply cut the connector to the needed size and connect your ducts! WIDE COMPATIBILITY - Great use in home and apartment for bathroom ventilator, kitchen hood, garage and other ventilation. It is also designed for office and industrial ventilation systems indoors and outdoors. EASY TO INSTALL - Made of high-quality ABS plastic. Our connector retains technical and aesthetical properties in various environmental conditions. Material is robust, lightweight, flexible and provides comfortable and reliable use long-term. QUALITY MATERIALS - It can be mounted in both vertical and horizontal directions. It is supplied in a white colour.