Universal reducer for ventilation systems Ø 80 100 120 125 150/160 mm. plastic. Designed and intended for use in ventilation systems inside and outside the building, made of material resistant to external factors. They do not corrode and retain their aesthetic appearance throughout the entire operating period. They maintain their technical and hygienic properties under changing operating conditions. A wide operating temperature range (from -20°C to and65°C) allows for quiet, comfortable, and highly efficient ventilation all year round. Safe to use. Lightweight, simple, and quick to assemble. Suitable for all elements of the ventilation system. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.