Amplify the visual impact of a gable vent with four decorative keystones.Keystones can be used on the following vents.Field modifications needed except for 22" Octagon,22" Round,and 22"x34" Half Round.

• Round Tops:14"x22"or22"x32"
• 21"x27" Oval
• Octagons:22",27",32"
• Rounds:22",36"
• Half Round:34"x22"
• 18"x24" Classic Style Rectangle
• 4 per box