Plantation Shutters Available in 2 1/2", 3 1/2" and 4 1/2" Louvers with 6 different Frame styles for both inside and outside mounting. The most energy efficient material is Hollow PVC but Shutters are also available in Wood. Three different tilt options; Traditional Front Tilt, Clearview or Hidden Tilt or Internal Tilt. The French Door cut out offers an option for Doors.