- Leaning shutters that direct the air flow. - Designed and intended for use in ventilation systems inside and outside the building, made of high quality material quality resistant to external factors (high quality ABS plastic). - They do not corrode and maintain their aesthetic appearance throughout their entire service life. They maintain their technical and hygienic properties under changing operating conditions. Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, There may be color differences, please refer to the actual item received.