Q Power Single 12 Inch Spl Xl Side Ported Subwoofer Enclosure Hd112vl (2 Pack) : Target
Amazon.com: Qpower HD112VL Single 12 Inch SPL XL Heavy Duty Side Ported Subwoofer Box Enclosure with Durable Carpet Covering for Car Audio Systems : Electronics
Qpower QHD112VL Single 12" Side Ported SPL Xtra Large Heavy Duty Empty Woofer Box | JB Tools
Powered Series – Atrend USA
SPL Boxes SB112V Single ported 12" subwoofer enclosure at Crutchfield