Included- 
Downloadable Zip File

Multiple 3-D Rendering Images 
Specs sheet W/ Subwoofer and Enclosure Specs 
Professional Optimized Cut Sheet W/Parts List

Designed for  Fi Car Audio BTL-3 12"
Outside Dimensions- 37.25"W x 14.5"H x 26"D

Enclosure is Based on Reccomended Manufature Specs

*May work for other 12"woofers, user caution advised*
 

2 Fi Car Audio BTL-3 12s 4th Order Design

$5.00Price