Rockville RSTS12V 12" Shallow 0.53 Cu Ft Vented Car/Truck Sub Enclosure Box | Audio Savings
Amazon.com: Rockville RDSM12 Dual 12" Shallow Mount 0.56 Cu Ft Car Sub Enclosure Box : Electronics
LAB OEM-Spec™ 2.75 ft^3 Ported MDF Subwofer Enclosure Box for Single JL Audio 15W0v3 Sub Woofer
1SV12B | Single 12" Ported 3/4" MDF Black Carpeted Enclosure (1.8 cubi – Belva
BBX110BK | 1 cu ft Single 10" Ported Enclosure with Gloss Black Finish – Belva
BLACK 15" SINGLE COMPETITION PORTED SUB BOX
Custom Ported Sub Enclosure Box for 1 15" American Bass XFL - 4.0 CU FT - 38 Hz | eBay
GP Audio 6.5” Ported MDF Subwoofer Enclosure Single 6.5" Ported 3/4" (0.30 cubic ft) Tru Spec Series Subwoofer Enclosure (Made in the USA) - Walmart.com
5 Cu. Ft. Custom-Ported MDF Subwoofer Enclosure for (2) 12" Round Sub box for Sale in Santa Ana, CA - OfferUp