Soffit vent 1 piece

This is a ventilation louver designed for installation under the eaves of houses. It is effective for building ventilation and for preventing moisture and condensation. We believe this is a great value!
Manufacturer: Fukubi Chemical Industry
Product Name: F-Type Hodaka
Product Number: F6V
Color: Ivory
Specifications: External dimensions H240 x W480 mm
Ventilation Area: 318 m2/unit
Other: Includes 6 screw holes and 6 mounting screws (2.7 x 20 mm) per unit.
Made of resin. Does not include an insect screen.
This is an unused item, but it has been stored in a warehouse for many years. There are about 3-4 slightly brownish marks on the back. (We will circle them in orange on the 4th photo.) There are no issues with performance, and since they are on the back, they are not visible.