Fit For Fit For Octavia 3 A7 5E MK3 2015-2021 5E0819701 5E0820951 Car Left Right Rear Central Air Conditioning AC Vent Grille Assembly. OE No.:5E0819701,5E0819702 ,5ED81920,5E0820951,5E0820951CZLL. This valve precisely controls airflow volume and direction, letting you adjust the vent output to match your desired cabin comfort level. Helps prevent frost buildup on its core through balanced refrigerant flow and temperature control. Replacing a faulty unit restores optimal cooling, dehumidification, and overall AC system efficiency., Manufacturer: PUAYQBVY