Interior Shutter Kit 2 1/4" Louver, Plantation Style (Paint Finish White, 31-33" W x 24" L) Sizes shown are Width x Length 2 1/4" Movable Louvers, Faux Wood (PVC) All Panels over 48" come with Divider Rails If mounting kit on outside of window jamb allow at least 2.5" inches for mounting screws. All units come with filler strips and all mounting hardware.