10DQV - 10" Dual Vented - Proudly U.S.A. Built – Atrend USA
Amazon.com: Car Audio Dual 10" SPL Bass Subwoofer Labyrinth Vent Sub Box Stereo Enclosure : Electronics
Amazon.com: ATREND 10DQV 10” Dual Vented Subwoofer/Speaker Enclosure Subwoofer Box Designed and Engineered in USA with The Latest in Computer Automated Design So You Can Let The Music Move You : Electronics
Single 10" Ported Subwoofer Box Enclosure 1" MDF Vented Sub Box RI Aud – Robidoux Inc
Pyle 10" Dual Subwoofer Box System-Rear Vented Design W/ Santoprene Surround 2x 800 Watts Max Power - Walmart.com