Obcon Dual 12" Slot Vented Pro Built FREAK Series FOR JL AUDIO W7 SUBS ONLY 16.0" H x 34.0" W x 19.5 "D Labyrinth slot vent design with 2.20 Cu Ft Air Space/Chamber 3/4" Plexiglas 1" MDF with brushed aluminum side panels THIS BOX IS FOR JL AUDIO W7 SUBS ONLY...10.5" HOLE CUTOUT