This vent has a frame size of 23-Inch W x 33-Inch H Frame Size with an 18-Inch W x 28-Inch H opening
The style is an Arch Top Gable Vent with Functional, PVC Gable Vent w/ 1-Inch x 4-Inch Flat Trim Frame
This is the exact model: https://www.architecturaldepot.com/GVPAR18X2801FUN.html
Item is new in box, ready to be installed and painted