- Pack Of 4
- 4-Inch White Aluminum Round Insect Proof Mini Louvers With Screen
- Overall Size 4.625-Inch Fits 4-Inch Hole Diameter
- 3.5 Square Inch Free Area
4 Pack, 4" White Aluminum Round Insect Proof Mini Louvers With Screen, Overall Size 4.625", Fits 4" Hole Diameter, 3.5 SQIN Free Area.