This tiny helpers has it all! A product that can handle call universal, because it really fits to every vent. The workmanship is top quality; the spring which holds the device, nice and strong. The fine edges on the rubber ends make falling out impossible. The holder is tiny, in one piece and thus super portable! Problems there may be more than if the ventilation units are very easy to move and fall by the weight of the device down. As a rule, can be, but that try through a little and prevent the correct position on the fan. Tested in Renault Kangoo & Citroen Berlingo.
A star deduction is only available for the unnecessarily large packaging (What a waste of resources!). And the marginal price of 20