How much does this cost to the nearest dollar?

DITKOK Galvanized Steel Window Dryer Vent for 4 Dryer Vent Hose, Fit 16 - 25 Vertical Sliding Window Adjustable
The 4 inch adjustable air intake window vent by DITKOK was designed to provide the perfect solution for those that need to vent out of a window. The window dryer vent is made with 24 gauge galvanized steel and has an aluminum back draft damper to prevent drafting from outdoors,and also prevent birds from nesting in the vent. Simply place the vent in the open window, slide the side panels to fit the window opening (16 - 25 windows), and close the window. We designed this vent with an enlarged shroud to minimize airflow resistance. Don't worry the standard low profile dryer vent cover adds considerable resistance to airflow. This

Price is $50.00

Price: $49.88