It will depend on the year of vehicle. See sources and related links below for more information. Since there are over 22 different wiper arm attachments, do not buy wipers just by length only. Be sure to lookup exact wiper blade part numbers by vehicle make, model and year for the brand wiper you decide to purchase. This ensures correct length AND correct attachment.
24 inch
what size wiper blades do I need for a vw 2003 bettle?
size 20.
Any place that sells wiper blades can tell you the correct size to purchase.
22in
18" blades.
You have to go to your Land Rover dealer for these wiper blades. No aftermarkets available.
22"
It's a 20 in. wiper blade
Anyplace that sells wiper blades will have an application chart showing you the correct size or you can simply measure them with a tape measure yourself.
The correct size wiper blades for the 2008 Dodge Avenger is 24" blades on the Drivers side and 22" blades on the passengers side. See sources and related links below for more information.
Driver side wiper blade size: 24"Passenger side wiper blade size: 24"