Audio Enhancers EST45R10 Ford Explorer Subwoofer Box, Raw Finish Upward Firing; Air Space 0.45cu.ft.; Mounting Depth 5" Un-Carpeted 1-10" Width x 22 3/16" x Height x 5 5/8" x Top Depth x 10 1/2" x Bottom Depth x 10 1/2" See Detail Installation Comments Under Product Description 100% American Made & 100% Green